Home / 231,911.28-347,872.59-131,353.02

Finding the Fourth Proportional to 231,911.28, 347,872.59 and 131,353.02

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Solution

The fourth proportional to 231,911.28, 347,872.59 and 131,353.02 is: 197,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,911.28 : 347,872.59 = 131,353.02 : x
  2. Step 2: Convert to fraction form
    231,911.28/347,872.59 = 131,353.02/x
  3. Step 3: Cross multiply
    231,911.28x = 347,872.59 × 131,353.02
  4. Step 4: Simplify right side
    231,911.28x = 45,694,115,271.72
  5. Step 5: Solve for x
    x = 45,694,115,271.72/231,911.28
  6. Step 6: Final answer
    x = 197,032.74

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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.