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Finding the Fourth Proportional to 499,414.41, 749,128.53 and 162,456.83

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Solution

The fourth proportional to 499,414.41, 749,128.53 and 162,456.83 is: 243,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,414.41 : 749,128.53 = 162,456.83 : x
  2. Step 2: Convert to fraction form
    499,414.41/749,128.53 = 162,456.83/x
  3. Step 3: Cross multiply
    499,414.41x = 749,128.53 × 162,456.83
  4. Step 4: Simplify right side
    499,414.41x = 121,701,046,246.36
  5. Step 5: Solve for x
    x = 121,701,046,246.36/499,414.41
  6. Step 6: Final answer
    x = 243,687.49

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