Home / 231,877.20-347,815.80-113,487.60

Finding the Fourth Proportional to 231,877.20, 347,815.80 and 113,487.60

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Solution

The fourth proportional to 231,877.20, 347,815.80 and 113,487.60 is: 170,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,877.20 : 347,815.80 = 113,487.60 : x
  2. Step 2: Convert to fraction form
    231,877.20/347,815.80 = 113,487.60/x
  3. Step 3: Cross multiply
    231,877.20x = 347,815.80 × 113,487.60
  4. Step 4: Simplify right side
    231,877.20x = 39,472,780,384.08
  5. Step 5: Solve for x
    x = 39,472,780,384.08/231,877.20
  6. Step 6: Final answer
    x = 170,231.40

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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.