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Finding the Fourth Proportional to 284,751.92, 392,892.48 and 170,008.28

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Solution

The fourth proportional to 284,751.92, 392,892.48 and 170,008.28 is: 234,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,751.92 : 392,892.48 = 170,008.28 : x
  2. Step 2: Convert to fraction form
    284,751.92/392,892.48 = 170,008.28/x
  3. Step 3: Cross multiply
    284,751.92x = 392,892.48 × 170,008.28
  4. Step 4: Simplify right side
    284,751.92x = 66,794,974,749.73
  5. Step 5: Solve for x
    x = 66,794,974,749.73/284,751.92
  6. Step 6: Final answer
    x = 234,572.52

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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.