Home / 229,728.20-344,630.10-71,918.60

Finding the Fourth Proportional to 229,728.20, 344,630.10 and 71,918.60

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Solution

The fourth proportional to 229,728.20, 344,630.10 and 71,918.60 is: 107,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,728.20 : 344,630.10 = 71,918.60 : x
  2. Step 2: Convert to fraction form
    229,728.20/344,630.10 = 71,918.60/x
  3. Step 3: Cross multiply
    229,728.20x = 344,630.10 × 71,918.60
  4. Step 4: Simplify right side
    229,728.20x = 24,785,314,309.86
  5. Step 5: Solve for x
    x = 24,785,314,309.86/229,728.20
  6. Step 6: Final answer
    x = 107,889.73

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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.