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Finding the Fourth Proportional to 400,545.41, 600,402.91 and 250,441

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Solution

The fourth proportional to 400,545.41, 600,402.91 and 250,441 is: 375,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,545.41 : 600,402.91 = 250,441 : x
  2. Step 2: Convert to fraction form
    400,545.41/600,402.91 = 250,441/x
  3. Step 3: Cross multiply
    400,545.41x = 600,402.91 × 250,441
  4. Step 4: Simplify right side
    400,545.41x = 150,365,505,183.31
  5. Step 5: Solve for x
    x = 150,365,505,183.31/400,545.41
  6. Step 6: Final answer
    x = 375,401.89

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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.