Home / 284,740.29-392,949.86-157,424.13

Finding the Fourth Proportional to 284,740.29, 392,949.86 and 157,424.13

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Solution

The fourth proportional to 284,740.29, 392,949.86 and 157,424.13 is: 217,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,740.29 : 392,949.86 = 157,424.13 : x
  2. Step 2: Convert to fraction form
    284,740.29/392,949.86 = 157,424.13/x
  3. Step 3: Cross multiply
    284,740.29x = 392,949.86 × 157,424.13
  4. Step 4: Simplify right side
    284,740.29x = 61,859,789,057.00
  5. Step 5: Solve for x
    x = 61,859,789,057.00/284,740.29
  6. Step 6: Final answer
    x = 217,249.86

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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.