Home / 231,564.66-347,182.98-89,289.38

Finding the Fourth Proportional to 231,564.66, 347,182.98 and 89,289.38

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Solution

The fourth proportional to 231,564.66, 347,182.98 and 89,289.38 is: 133,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,564.66 : 347,182.98 = 89,289.38 : x
  2. Step 2: Convert to fraction form
    231,564.66/347,182.98 = 89,289.38/x
  3. Step 3: Cross multiply
    231,564.66x = 347,182.98 × 89,289.38
  4. Step 4: Simplify right side
    231,564.66x = 30,999,753,030.75
  5. Step 5: Solve for x
    x = 30,999,753,030.75/231,564.66
  6. Step 6: Final answer
    x = 133,870.83

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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.