Home / 231,686.20-347,723.70-113,458.60

Finding the Fourth Proportional to 231,686.20, 347,723.70 and 113,458.60

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Solution

The fourth proportional to 231,686.20, 347,723.70 and 113,458.60 is: 170,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,686.20 : 347,723.70 = 113,458.60 : x
  2. Step 2: Convert to fraction form
    231,686.20/347,723.70 = 113,458.60/x
  3. Step 3: Cross multiply
    231,686.20x = 347,723.70 × 113,458.60
  4. Step 4: Simplify right side
    231,686.20x = 39,452,244,188.82
  5. Step 5: Solve for x
    x = 39,452,244,188.82/231,686.20
  6. Step 6: Final answer
    x = 170,283.10

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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.