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Finding the Fourth Proportional to 451,370.88, 677,121.66 and 240,894

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Solution

The fourth proportional to 451,370.88, 677,121.66 and 240,894 is: 361,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,370.88 : 677,121.66 = 240,894 : x
  2. Step 2: Convert to fraction form
    451,370.88/677,121.66 = 240,894/x
  3. Step 3: Cross multiply
    451,370.88x = 677,121.66 × 240,894
  4. Step 4: Simplify right side
    451,370.88x = 163,114,545,164.04
  5. Step 5: Solve for x
    x = 163,114,545,164.04/451,370.88
  6. Step 6: Final answer
    x = 361,375.87

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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.