Home / 231,717.12-347,641.44-119,479.20

Finding the Fourth Proportional to 231,717.12, 347,641.44 and 119,479.20

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Solution

The fourth proportional to 231,717.12, 347,641.44 and 119,479.20 is: 179,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,717.12 : 347,641.44 = 119,479.20 : x
  2. Step 2: Convert to fraction form
    231,717.12/347,641.44 = 119,479.20/x
  3. Step 3: Cross multiply
    231,717.12x = 347,641.44 × 119,479.20
  4. Step 4: Simplify right side
    231,717.12x = 41,535,921,138.05
  5. Step 5: Solve for x
    x = 41,535,921,138.05/231,717.12
  6. Step 6: Final answer
    x = 179,252.71

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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.