Home / 231,733.13-347,601.78-91,491.75

Finding the Fourth Proportional to 231,733.13, 347,601.78 and 91,491.75

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Solution

The fourth proportional to 231,733.13, 347,601.78 and 91,491.75 is: 137,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,733.13 : 347,601.78 = 91,491.75 : x
  2. Step 2: Convert to fraction form
    231,733.13/347,601.78 = 91,491.75/x
  3. Step 3: Cross multiply
    231,733.13x = 347,601.78 × 91,491.75
  4. Step 4: Simplify right side
    231,733.13x = 31,802,695,155.32
  5. Step 5: Solve for x
    x = 31,802,695,155.32/231,733.13
  6. Step 6: Final answer
    x = 137,238.45

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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.