Home / 381,679.35-571,647.01-182,139.85

Finding the Fourth Proportional to 381,679.35, 571,647.01 and 182,139.85

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Solution

The fourth proportional to 381,679.35, 571,647.01 and 182,139.85 is: 272,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,679.35 : 571,647.01 = 182,139.85 : x
  2. Step 2: Convert to fraction form
    381,679.35/571,647.01 = 182,139.85/x
  3. Step 3: Cross multiply
    381,679.35x = 571,647.01 × 182,139.85
  4. Step 4: Simplify right side
    381,679.35x = 104,119,700,654.35
  5. Step 5: Solve for x
    x = 104,119,700,654.35/381,679.35
  6. Step 6: Final answer
    x = 272,793.64

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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.