Home / 305,944.13-458,758.62-137,319.90

Finding the Fourth Proportional to 305,944.13, 458,758.62 and 137,319.90

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Solution

The fourth proportional to 305,944.13, 458,758.62 and 137,319.90 is: 205,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,944.13 : 458,758.62 = 137,319.90 : x
  2. Step 2: Convert to fraction form
    305,944.13/458,758.62 = 137,319.90/x
  3. Step 3: Cross multiply
    305,944.13x = 458,758.62 × 137,319.90
  4. Step 4: Simplify right side
    305,944.13x = 62,996,687,822.54
  5. Step 5: Solve for x
    x = 62,996,687,822.54/305,944.13
  6. Step 6: Final answer
    x = 205,909.12

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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.