Home / 438,049.10-657,073.65-122,530.70

Finding the Fourth Proportional to 438,049.10, 657,073.65 and 122,530.70

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Solution

The fourth proportional to 438,049.10, 657,073.65 and 122,530.70 is: 183,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,049.10 : 657,073.65 = 122,530.70 : x
  2. Step 2: Convert to fraction form
    438,049.10/657,073.65 = 122,530.70/x
  3. Step 3: Cross multiply
    438,049.10x = 657,073.65 × 122,530.70
  4. Step 4: Simplify right side
    438,049.10x = 80,511,694,286.06
  5. Step 5: Solve for x
    x = 80,511,694,286.06/438,049.10
  6. Step 6: Final answer
    x = 183,796.05

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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.