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Finding the Fourth Proportional to 394,772.69, 592,153.54 and 95,250.76

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Solution

The fourth proportional to 394,772.69, 592,153.54 and 95,250.76 is: 142,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,772.69 : 592,153.54 = 95,250.76 : x
  2. Step 2: Convert to fraction form
    394,772.69/592,153.54 = 95,250.76/x
  3. Step 3: Cross multiply
    394,772.69x = 592,153.54 × 95,250.76
  4. Step 4: Simplify right side
    394,772.69x = 56,403,073,003.18
  5. Step 5: Solve for x
    x = 56,403,073,003.18/394,772.69
  6. Step 6: Final answer
    x = 142,874.81

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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.