Home / 231,512.72-347,282.52-89,358.80

Finding the Fourth Proportional to 231,512.72, 347,282.52 and 89,358.80

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Solution

The fourth proportional to 231,512.72, 347,282.52 and 89,358.80 is: 134,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,512.72 : 347,282.52 = 89,358.80 : x
  2. Step 2: Convert to fraction form
    231,512.72/347,282.52 = 89,358.80/x
  3. Step 3: Cross multiply
    231,512.72x = 347,282.52 × 89,358.80
  4. Step 4: Simplify right side
    231,512.72x = 31,032,749,248.18
  5. Step 5: Solve for x
    x = 31,032,749,248.18/231,512.72
  6. Step 6: Final answer
    x = 134,043.39

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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.