Home / 344,433.12-516,635.28-119,844.48

Finding the Fourth Proportional to 344,433.12, 516,635.28 and 119,844.48

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Solution

The fourth proportional to 344,433.12, 516,635.28 and 119,844.48 is: 179,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,433.12 : 516,635.28 = 119,844.48 : x
  2. Step 2: Convert to fraction form
    344,433.12/516,635.28 = 119,844.48/x
  3. Step 3: Cross multiply
    344,433.12x = 516,635.28 × 119,844.48
  4. Step 4: Simplify right side
    344,433.12x = 61,915,886,481.25
  5. Step 5: Solve for x
    x = 61,915,886,481.25/344,433.12
  6. Step 6: Final answer
    x = 179,761.71

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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.