Home / 438,118.26-657,178.74-122,577.90

Finding the Fourth Proportional to 438,118.26, 657,178.74 and 122,577.90

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Solution

The fourth proportional to 438,118.26, 657,178.74 and 122,577.90 is: 183,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,118.26 : 657,178.74 = 122,577.90 : x
  2. Step 2: Convert to fraction form
    438,118.26/657,178.74 = 122,577.90/x
  3. Step 3: Cross multiply
    438,118.26x = 657,178.74 × 122,577.90
  4. Step 4: Simplify right side
    438,118.26x = 80,555,589,873.85
  5. Step 5: Solve for x
    x = 80,555,589,873.85/438,118.26
  6. Step 6: Final answer
    x = 183,867.23

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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.