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Finding the Fourth Proportional to 445,397.59, 667,309.06 and 295,281.91

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Solution

The fourth proportional to 445,397.59, 667,309.06 and 295,281.91 is: 442,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,397.59 : 667,309.06 = 295,281.91 : x
  2. Step 2: Convert to fraction form
    445,397.59/667,309.06 = 295,281.91/x
  3. Step 3: Cross multiply
    445,397.59x = 667,309.06 × 295,281.91
  4. Step 4: Simplify right side
    445,397.59x = 197,044,293,797.11
  5. Step 5: Solve for x
    x = 197,044,293,797.11/445,397.59
  6. Step 6: Final answer
    x = 442,400.90

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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.