Home / 231,630.30-347,461.65-91,370.70

Finding the Fourth Proportional to 231,630.30, 347,461.65 and 91,370.70

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Solution

The fourth proportional to 231,630.30, 347,461.65 and 91,370.70 is: 137,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,630.30 : 347,461.65 = 91,370.70 : x
  2. Step 2: Convert to fraction form
    231,630.30/347,461.65 = 91,370.70/x
  3. Step 3: Cross multiply
    231,630.30x = 347,461.65 × 91,370.70
  4. Step 4: Simplify right side
    231,630.30x = 31,747,814,183.66
  5. Step 5: Solve for x
    x = 31,747,814,183.66/231,630.30
  6. Step 6: Final answer
    x = 137,062.44

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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.