Home / 437,208.20-603,369.78-267,389

Finding the Fourth Proportional to 437,208.20, 603,369.78 and 267,389

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Solution

The fourth proportional to 437,208.20, 603,369.78 and 267,389 is: 369,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,208.20 : 603,369.78 = 267,389 : x
  2. Step 2: Convert to fraction form
    437,208.20/603,369.78 = 267,389/x
  3. Step 3: Cross multiply
    437,208.20x = 603,369.78 × 267,389
  4. Step 4: Simplify right side
    437,208.20x = 161,334,442,104.42
  5. Step 5: Solve for x
    x = 161,334,442,104.42/437,208.20
  6. Step 6: Final answer
    x = 369,010.56

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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.