Home / 415,942.96-574,001.28-224,956.35

Finding the Fourth Proportional to 415,942.96, 574,001.28 and 224,956.35

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Solution

The fourth proportional to 415,942.96, 574,001.28 and 224,956.35 is: 310,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,942.96 : 574,001.28 = 224,956.35 : x
  2. Step 2: Convert to fraction form
    415,942.96/574,001.28 = 224,956.35/x
  3. Step 3: Cross multiply
    415,942.96x = 574,001.28 × 224,956.35
  4. Step 4: Simplify right side
    415,942.96x = 129,125,232,844.13
  5. Step 5: Solve for x
    x = 129,125,232,844.13/415,942.96
  6. Step 6: Final answer
    x = 310,439.76

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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.