Home / 229,531.20-344,296.80-71,775.60

Finding the Fourth Proportional to 229,531.20, 344,296.80 and 71,775.60

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Solution

The fourth proportional to 229,531.20, 344,296.80 and 71,775.60 is: 107,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,531.20 : 344,296.80 = 71,775.60 : x
  2. Step 2: Convert to fraction form
    229,531.20/344,296.80 = 71,775.60/x
  3. Step 3: Cross multiply
    229,531.20x = 344,296.80 × 71,775.60
  4. Step 4: Simplify right side
    229,531.20x = 24,712,109,398.08
  5. Step 5: Solve for x
    x = 24,712,109,398.08/229,531.20
  6. Step 6: Final answer
    x = 107,663.40

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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.