Home / 231,534.42-347,288.19-89,351.88

Finding the Fourth Proportional to 231,534.42, 347,288.19 and 89,351.88

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Solution

The fourth proportional to 231,534.42, 347,288.19 and 89,351.88 is: 134,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,534.42 : 347,288.19 = 89,351.88 : x
  2. Step 2: Convert to fraction form
    231,534.42/347,288.19 = 89,351.88/x
  3. Step 3: Cross multiply
    231,534.42x = 347,288.19 × 89,351.88
  4. Step 4: Simplify right side
    231,534.42x = 31,030,852,678.30
  5. Step 5: Solve for x
    x = 31,030,852,678.30/231,534.42
  6. Step 6: Final answer
    x = 134,022.63

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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.