Home / 231,424.57-347,334.09-91,281.61

Finding the Fourth Proportional to 231,424.57, 347,334.09 and 91,281.61

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Solution

The fourth proportional to 231,424.57, 347,334.09 and 91,281.61 is: 137,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,424.57 : 347,334.09 = 91,281.61 : x
  2. Step 2: Convert to fraction form
    231,424.57/347,334.09 = 91,281.61/x
  3. Step 3: Cross multiply
    231,424.57x = 347,334.09 × 91,281.61
  4. Step 4: Simplify right side
    231,424.57x = 31,705,214,943.08
  5. Step 5: Solve for x
    x = 31,705,214,943.08/231,424.57
  6. Step 6: Final answer
    x = 137,000.21

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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.