Home / 284,614.19-392,776.61-155,549.83

Finding the Fourth Proportional to 284,614.19, 392,776.61 and 155,549.83

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Solution

The fourth proportional to 284,614.19, 392,776.61 and 155,549.83 is: 214,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,614.19 : 392,776.61 = 155,549.83 : x
  2. Step 2: Convert to fraction form
    284,614.19/392,776.61 = 155,549.83/x
  3. Step 3: Cross multiply
    284,614.19x = 392,776.61 × 155,549.83
  4. Step 4: Simplify right side
    284,614.19x = 61,096,335,302.35
  5. Step 5: Solve for x
    x = 61,096,335,302.35/284,614.19
  6. Step 6: Final answer
    x = 214,663.70

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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.