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Finding the Fourth Proportional to 221,337.55, 332,090.16 and 132,654.70

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Solution

The fourth proportional to 221,337.55, 332,090.16 and 132,654.70 is: 199,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337.55 : 332,090.16 = 132,654.70 : x
  2. Step 2: Convert to fraction form
    221,337.55/332,090.16 = 132,654.70/x
  3. Step 3: Cross multiply
    221,337.55x = 332,090.16 × 132,654.70
  4. Step 4: Simplify right side
    221,337.55x = 44,053,320,547.75
  5. Step 5: Solve for x
    x = 44,053,320,547.75/221,337.55
  6. Step 6: Final answer
    x = 199,032.30

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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.