Home / 284,248.27-392,260.08-156,921.13

Finding the Fourth Proportional to 284,248.27, 392,260.08 and 156,921.13

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Solution

The fourth proportional to 284,248.27, 392,260.08 and 156,921.13 is: 216,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,248.27 : 392,260.08 = 156,921.13 : x
  2. Step 2: Convert to fraction form
    284,248.27/392,260.08 = 156,921.13/x
  3. Step 3: Cross multiply
    284,248.27x = 392,260.08 × 156,921.13
  4. Step 4: Simplify right side
    284,248.27x = 61,553,895,007.49
  5. Step 5: Solve for x
    x = 61,553,895,007.49/284,248.27
  6. Step 6: Final answer
    x = 216,549.76

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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.