Home / 231,630.20-347,639.70-113,402.60

Finding the Fourth Proportional to 231,630.20, 347,639.70 and 113,402.60

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Solution

The fourth proportional to 231,630.20, 347,639.70 and 113,402.60 is: 170,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,630.20 : 347,639.70 = 113,402.60 : x
  2. Step 2: Convert to fraction form
    231,630.20/347,639.70 = 113,402.60/x
  3. Step 3: Cross multiply
    231,630.20x = 347,639.70 × 113,402.60
  4. Step 4: Simplify right side
    231,630.20x = 39,423,245,843.22
  5. Step 5: Solve for x
    x = 39,423,245,843.22/231,630.20
  6. Step 6: Final answer
    x = 170,199.08

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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.