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Finding the Fourth Proportional to 345,093.80, 517,932.30 and 134,882.60

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Solution

The fourth proportional to 345,093.80, 517,932.30 and 134,882.60 is: 202,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,093.80 : 517,932.30 = 134,882.60 : x
  2. Step 2: Convert to fraction form
    345,093.80/517,932.30 = 134,882.60/x
  3. Step 3: Cross multiply
    345,093.80x = 517,932.30 × 134,882.60
  4. Step 4: Simplify right side
    345,093.80x = 69,860,055,247.98
  5. Step 5: Solve for x
    x = 69,860,055,247.98/345,093.80
  6. Step 6: Final answer
    x = 202,437.87

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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.