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Finding the Fourth Proportional to 270,077.58, 372,728.88 and 149,229.45

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Solution

The fourth proportional to 270,077.58, 372,728.88 and 149,229.45 is: 205,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,077.58 : 372,728.88 = 149,229.45 : x
  2. Step 2: Convert to fraction form
    270,077.58/372,728.88 = 149,229.45/x
  3. Step 3: Cross multiply
    270,077.58x = 372,728.88 × 149,229.45
  4. Step 4: Simplify right side
    270,077.58x = 55,622,125,761.52
  5. Step 5: Solve for x
    x = 55,622,125,761.52/270,077.58
  6. Step 6: Final answer
    x = 205,948.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.