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Finding the Fourth Proportional to 362,294.16, 543,440.78 and 137,600.85

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Solution

The fourth proportional to 362,294.16, 543,440.78 and 137,600.85 is: 206,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,294.16 : 543,440.78 = 137,600.85 : x
  2. Step 2: Convert to fraction form
    362,294.16/543,440.78 = 137,600.85/x
  3. Step 3: Cross multiply
    362,294.16x = 543,440.78 × 137,600.85
  4. Step 4: Simplify right side
    362,294.16x = 74,777,913,252.66
  5. Step 5: Solve for x
    x = 74,777,913,252.66/362,294.16
  6. Step 6: Final answer
    x = 206,401.10

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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.