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Finding the Fourth Proportional to 300,804, 451,031.04 and 132,319.68

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Solution

The fourth proportional to 300,804, 451,031.04 and 132,319.68 is: 198,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,804 : 451,031.04 = 132,319.68 : x
  2. Step 2: Convert to fraction form
    300,804/451,031.04 = 132,319.68/x
  3. Step 3: Cross multiply
    300,804x = 451,031.04 × 132,319.68
  4. Step 4: Simplify right side
    300,804x = 59,680,282,882.87
  5. Step 5: Solve for x
    x = 59,680,282,882.87/300,804
  6. Step 6: Final answer
    x = 198,402.56

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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.