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Finding the Fourth Proportional to 517,304.21, 775,960.68 and 180,344.22

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Solution

The fourth proportional to 517,304.21, 775,960.68 and 180,344.22 is: 270,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,304.21 : 775,960.68 = 180,344.22 : x
  2. Step 2: Convert to fraction form
    517,304.21/775,960.68 = 180,344.22/x
  3. Step 3: Cross multiply
    517,304.21x = 775,960.68 × 180,344.22
  4. Step 4: Simplify right side
    517,304.21x = 139,940,023,585.27
  5. Step 5: Solve for x
    x = 139,940,023,585.27/517,304.21
  6. Step 6: Final answer
    x = 270,517.85

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1.5x scale

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.