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Finding the Fourth Proportional to 332,711.28, 459,142.76 and 181,808.28

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Solution

The fourth proportional to 332,711.28, 459,142.76 and 181,808.28 is: 250,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,711.28 : 459,142.76 = 181,808.28 : x
  2. Step 2: Convert to fraction form
    332,711.28/459,142.76 = 181,808.28/x
  3. Step 3: Cross multiply
    332,711.28x = 459,142.76 × 181,808.28
  4. Step 4: Simplify right side
    332,711.28x = 83,475,955,470.05
  5. Step 5: Solve for x
    x = 83,475,955,470.05/332,711.28
  6. Step 6: Final answer
    x = 250,896.08

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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.