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Finding the Fourth Proportional to 375,490.41, 563,605.68 and 267,539.70

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Solution

The fourth proportional to 375,490.41, 563,605.68 and 267,539.70 is: 401,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,490.41 : 563,605.68 = 267,539.70 : x
  2. Step 2: Convert to fraction form
    375,490.41/563,605.68 = 267,539.70/x
  3. Step 3: Cross multiply
    375,490.41x = 563,605.68 × 267,539.70
  4. Step 4: Simplify right side
    375,490.41x = 150,786,894,545.50
  5. Step 5: Solve for x
    x = 150,786,894,545.50/375,490.41
  6. Step 6: Final answer
    x = 401,573.22

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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.