Home / 274,829.92-379,276.17-153,972.20

Finding the Fourth Proportional to 274,829.92, 379,276.17 and 153,972.20

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Solution

The fourth proportional to 274,829.92, 379,276.17 and 153,972.20 is: 212,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,829.92 : 379,276.17 = 153,972.20 : x
  2. Step 2: Convert to fraction form
    274,829.92/379,276.17 = 153,972.20/x
  3. Step 3: Cross multiply
    274,829.92x = 379,276.17 × 153,972.20
  4. Step 4: Simplify right side
    274,829.92x = 58,397,986,302.47
  5. Step 5: Solve for x
    x = 58,397,986,302.47/274,829.92
  6. Step 6: Final answer
    x = 212,487.73

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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.