Home / 282,777.90-390,227.67-169,637.10

Finding the Fourth Proportional to 282,777.90, 390,227.67 and 169,637.10

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Solution

The fourth proportional to 282,777.90, 390,227.67 and 169,637.10 is: 234,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,777.90 : 390,227.67 = 169,637.10 : x
  2. Step 2: Convert to fraction form
    282,777.90/390,227.67 = 169,637.10/x
  3. Step 3: Cross multiply
    282,777.90x = 390,227.67 × 169,637.10
  4. Step 4: Simplify right side
    282,777.90x = 66,197,090,278.56
  5. Step 5: Solve for x
    x = 66,197,090,278.56/282,777.90
  6. Step 6: Final answer
    x = 234,095.70

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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.