Home / 243,864.30-365,789.58-66,372.85

Finding the Fourth Proportional to 243,864.30, 365,789.58 and 66,372.85

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Solution

The fourth proportional to 243,864.30, 365,789.58 and 66,372.85 is: 99,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,864.30 : 365,789.58 = 66,372.85 : x
  2. Step 2: Convert to fraction form
    243,864.30/365,789.58 = 66,372.85/x
  3. Step 3: Cross multiply
    243,864.30x = 365,789.58 × 66,372.85
  4. Step 4: Simplify right side
    243,864.30x = 24,278,495,678.56
  5. Step 5: Solve for x
    x = 24,278,495,678.56/243,864.30
  6. Step 6: Final answer
    x = 99,557.40

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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.