Home / 258,862.28-388,222.16-163,950.12

Finding the Fourth Proportional to 258,862.28, 388,222.16 and 163,950.12

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Solution

The fourth proportional to 258,862.28, 388,222.16 and 163,950.12 is: 245,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,862.28 : 388,222.16 = 163,950.12 : x
  2. Step 2: Convert to fraction form
    258,862.28/388,222.16 = 163,950.12/x
  3. Step 3: Cross multiply
    258,862.28x = 388,222.16 × 163,950.12
  4. Step 4: Simplify right side
    258,862.28x = 63,649,069,718.66
  5. Step 5: Solve for x
    x = 63,649,069,718.66/258,862.28
  6. Step 6: Final answer
    x = 245,880.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.