Home / 362,257.20-543,387.68-212,392.39

Finding the Fourth Proportional to 362,257.20, 543,387.68 and 212,392.39

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Solution

The fourth proportional to 362,257.20, 543,387.68 and 212,392.39 is: 318,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,257.20 : 543,387.68 = 212,392.39 : x
  2. Step 2: Convert to fraction form
    362,257.20/543,387.68 = 212,392.39/x
  3. Step 3: Cross multiply
    362,257.20x = 543,387.68 × 212,392.39
  4. Step 4: Simplify right side
    362,257.20x = 115,411,407,912.11
  5. Step 5: Solve for x
    x = 115,411,407,912.11/362,257.20
  6. Step 6: Final answer
    x = 318,589.69

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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.