Home / 308,464.75-462,765.17-131,123.35

Finding the Fourth Proportional to 308,464.75, 462,765.17 and 131,123.35

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Solution

The fourth proportional to 308,464.75, 462,765.17 and 131,123.35 is: 196,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,464.75 : 462,765.17 = 131,123.35 : x
  2. Step 2: Convert to fraction form
    308,464.75/462,765.17 = 131,123.35/x
  3. Step 3: Cross multiply
    308,464.75x = 462,765.17 × 131,123.35
  4. Step 4: Simplify right side
    308,464.75x = 60,679,319,353.72
  5. Step 5: Solve for x
    x = 60,679,319,353.72/308,464.75
  6. Step 6: Final answer
    x = 196,713.95

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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.