Home / 362,278.20-543,511.26-137,642.52

Finding the Fourth Proportional to 362,278.20, 543,511.26 and 137,642.52

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Solution

The fourth proportional to 362,278.20, 543,511.26 and 137,642.52 is: 206,499.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,278.20 : 543,511.26 = 137,642.52 : x
  2. Step 2: Convert to fraction form
    362,278.20/543,511.26 = 137,642.52/x
  3. Step 3: Cross multiply
    362,278.20x = 543,511.26 × 137,642.52
  4. Step 4: Simplify right side
    362,278.20x = 74,810,259,474.78
  5. Step 5: Solve for x
    x = 74,810,259,474.78/362,278.20
  6. Step 6: Final answer
    x = 206,499.48

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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.