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Finding the Fourth Proportional to 439,333.68, 659,059.46 and 154,957.38

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Solution

The fourth proportional to 439,333.68, 659,059.46 and 154,957.38 is: 232,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,333.68 : 659,059.46 = 154,957.38 : x
  2. Step 2: Convert to fraction form
    439,333.68/659,059.46 = 154,957.38/x
  3. Step 3: Cross multiply
    439,333.68x = 659,059.46 × 154,957.38
  4. Step 4: Simplify right side
    439,333.68x = 102,126,126,411.03
  5. Step 5: Solve for x
    x = 102,126,126,411.03/439,333.68
  6. Step 6: Final answer
    x = 232,456.86

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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.