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Finding the Fourth Proportional to 435,792.52, 653,820.06 and 155,273.32

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Solution

The fourth proportional to 435,792.52, 653,820.06 and 155,273.32 is: 232,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,792.52 : 653,820.06 = 155,273.32 : x
  2. Step 2: Convert to fraction form
    435,792.52/653,820.06 = 155,273.32/x
  3. Step 3: Cross multiply
    435,792.52x = 653,820.06 × 155,273.32
  4. Step 4: Simplify right side
    435,792.52x = 101,520,811,398.80
  5. Step 5: Solve for x
    x = 101,520,811,398.80/435,792.52
  6. Step 6: Final answer
    x = 232,956.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.