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Finding the Fourth Proportional to 332,963.31, 459,479.12 and 203,950.83

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Solution

The fourth proportional to 332,963.31, 459,479.12 and 203,950.83 is: 281,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,963.31 : 459,479.12 = 203,950.83 : x
  2. Step 2: Convert to fraction form
    332,963.31/459,479.12 = 203,950.83/x
  3. Step 3: Cross multiply
    332,963.31x = 459,479.12 × 203,950.83
  4. Step 4: Simplify right side
    332,963.31x = 93,711,146,871.92
  5. Step 5: Solve for x
    x = 93,711,146,871.92/332,963.31
  6. Step 6: Final answer
    x = 281,445.87

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Why These Related Problems?

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