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Finding the Fourth Proportional to 332,687, 459,107.50 and 189,447.08

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Solution

The fourth proportional to 332,687, 459,107.50 and 189,447.08 is: 261,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,687 : 459,107.50 = 189,447.08 : x
  2. Step 2: Convert to fraction form
    332,687/459,107.50 = 189,447.08/x
  3. Step 3: Cross multiply
    332,687x = 459,107.50 × 189,447.08
  4. Step 4: Simplify right side
    332,687x = 86,976,575,281.10
  5. Step 5: Solve for x
    x = 86,976,575,281.10/332,687
  6. Step 6: Final answer
    x = 261,436.65

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1.5x scale

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.