Home / 231,512.35-347,281.96-89,358.43

Finding the Fourth Proportional to 231,512.35, 347,281.96 and 89,358.43

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Solution

The fourth proportional to 231,512.35, 347,281.96 and 89,358.43 is: 134,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,512.35 : 347,281.96 = 89,358.43 : x
  2. Step 2: Convert to fraction form
    231,512.35/347,281.96 = 89,358.43/x
  3. Step 3: Cross multiply
    231,512.35x = 347,281.96 × 89,358.43
  4. Step 4: Simplify right side
    231,512.35x = 31,032,568,976.51
  5. Step 5: Solve for x
    x = 31,032,568,976.51/231,512.35
  6. Step 6: Final answer
    x = 134,042.83

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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.