Home / 231,680.29-347,549.06-81,889.69

Finding the Fourth Proportional to 231,680.29, 347,549.06 and 81,889.69

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Solution

The fourth proportional to 231,680.29, 347,549.06 and 81,889.69 is: 122,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,680.29 : 347,549.06 = 81,889.69 : x
  2. Step 2: Convert to fraction form
    231,680.29/347,549.06 = 81,889.69/x
  3. Step 3: Cross multiply
    231,680.29x = 347,549.06 × 81,889.69
  4. Step 4: Simplify right side
    231,680.29x = 28,460,684,373.74
  5. Step 5: Solve for x
    x = 28,460,684,373.74/231,680.29
  6. Step 6: Final answer
    x = 122,844.65

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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.