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Finding the Fourth Proportional to 283,452.40, 391,164.27 and 156,127.99

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Solution

The fourth proportional to 283,452.40, 391,164.27 and 156,127.99 is: 215,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,452.40 : 391,164.27 = 156,127.99 : x
  2. Step 2: Convert to fraction form
    283,452.40/391,164.27 = 156,127.99/x
  3. Step 3: Cross multiply
    283,452.40x = 391,164.27 × 156,127.99
  4. Step 4: Simplify right side
    283,452.40x = 61,071,691,234.92
  5. Step 5: Solve for x
    x = 61,071,691,234.92/283,452.40
  6. Step 6: Final answer
    x = 215,456.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.