Home / 381,077.90-571,617.07-96,789.77

Finding the Fourth Proportional to 381,077.90, 571,617.07 and 96,789.77

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Solution

The fourth proportional to 381,077.90, 571,617.07 and 96,789.77 is: 145,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,077.90 : 571,617.07 = 96,789.77 : x
  2. Step 2: Convert to fraction form
    381,077.90/571,617.07 = 96,789.77/x
  3. Step 3: Cross multiply
    381,077.90x = 571,617.07 × 96,789.77
  4. Step 4: Simplify right side
    381,077.90x = 55,326,681,391.34
  5. Step 5: Solve for x
    x = 55,326,681,391.34/381,077.90
  6. Step 6: Final answer
    x = 145,184.70

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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.