Home / 310,549-428,557.62-169,237

Finding the Fourth Proportional to 310,549, 428,557.62 and 169,237

Calculator

Solution

The fourth proportional to 310,549, 428,557.62 and 169,237 is: 233,547.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,549 : 428,557.62 = 169,237 : x
  2. Step 2: Convert to fraction form
    310,549/428,557.62 = 169,237/x
  3. Step 3: Cross multiply
    310,549x = 428,557.62 × 169,237
  4. Step 4: Simplify right side
    310,549x = 72,527,805,935.94
  5. Step 5: Solve for x
    x = 72,527,805,935.94/310,549
  6. Step 6: Final answer
    x = 233,547.06

Related Problems

Find fourth proportional to 155,274.50, 214,278.81 and 84,618.50
Half scale
Find fourth proportional to 621,098, 857,115.24 and 338,474
Double scale
Find fourth proportional to 310,550, 428,559 and 169,238
Similar ratio
Find fourth proportional to 465,823.50, 642,836.43 and 253,855.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.