Home / 231,424.82-347,334.48-91,281.86

Finding the Fourth Proportional to 231,424.82, 347,334.48 and 91,281.86

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Solution

The fourth proportional to 231,424.82, 347,334.48 and 91,281.86 is: 137,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,424.82 : 347,334.48 = 91,281.86 : x
  2. Step 2: Convert to fraction form
    231,424.82/347,334.48 = 91,281.86/x
  3. Step 3: Cross multiply
    231,424.82x = 347,334.48 × 91,281.86
  4. Step 4: Simplify right side
    231,424.82x = 31,705,337,376.53
  5. Step 5: Solve for x
    x = 31,705,337,376.53/231,424.82
  6. Step 6: Final answer
    x = 137,000.59

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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.