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Finding the Fourth Proportional to 229,003.20, 343,537.20 and 88,776

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Solution

The fourth proportional to 229,003.20, 343,537.20 and 88,776 is: 133,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,003.20 : 343,537.20 = 88,776 : x
  2. Step 2: Convert to fraction form
    229,003.20/343,537.20 = 88,776/x
  3. Step 3: Cross multiply
    229,003.20x = 343,537.20 × 88,776
  4. Step 4: Simplify right side
    229,003.20x = 30,497,858,467.20
  5. Step 5: Solve for x
    x = 30,497,858,467.20/229,003.20
  6. Step 6: Final answer
    x = 133,176.56

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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.