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Finding the Fourth Proportional to 296,603.80, 444,819.30 and 107,042.20

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Solution

The fourth proportional to 296,603.80, 444,819.30 and 107,042.20 is: 160,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,603.80 : 444,819.30 = 107,042.20 : x
  2. Step 2: Convert to fraction form
    296,603.80/444,819.30 = 107,042.20/x
  3. Step 3: Cross multiply
    296,603.80x = 444,819.30 × 107,042.20
  4. Step 4: Simplify right side
    296,603.80x = 47,614,436,474.46
  5. Step 5: Solve for x
    x = 47,614,436,474.46/296,603.80
  6. Step 6: Final answer
    x = 160,532.12

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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.