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Finding the Fourth Proportional to 221,445.65, 332,007.56 and 88,285.97

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Solution

The fourth proportional to 221,445.65, 332,007.56 and 88,285.97 is: 132,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,445.65 : 332,007.56 = 88,285.97 : x
  2. Step 2: Convert to fraction form
    221,445.65/332,007.56 = 88,285.97/x
  3. Step 3: Cross multiply
    221,445.65x = 332,007.56 × 88,285.97
  4. Step 4: Simplify right side
    221,445.65x = 29,311,610,201.59
  5. Step 5: Solve for x
    x = 29,311,610,201.59/221,445.65
  6. Step 6: Final answer
    x = 132,364.80

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1.5x scale

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.