Home / 437,209.20-603,371.16-267,390

Finding the Fourth Proportional to 437,209.20, 603,371.16 and 267,390

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Solution

The fourth proportional to 437,209.20, 603,371.16 and 267,390 is: 369,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,209.20 : 603,371.16 = 267,390 : x
  2. Step 2: Convert to fraction form
    437,209.20/603,371.16 = 267,390/x
  3. Step 3: Cross multiply
    437,209.20x = 603,371.16 × 267,390
  4. Step 4: Simplify right side
    437,209.20x = 161,335,414,472.40
  5. Step 5: Solve for x
    x = 161,335,414,472.40/437,209.20
  6. Step 6: Final answer
    x = 369,011.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.