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Finding the Fourth Proportional to 215,418.56, 297,254.24 and 119,917.76

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Solution

The fourth proportional to 215,418.56, 297,254.24 and 119,917.76 is: 165,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,418.56 : 297,254.24 = 119,917.76 : x
  2. Step 2: Convert to fraction form
    215,418.56/297,254.24 = 119,917.76/x
  3. Step 3: Cross multiply
    215,418.56x = 297,254.24 × 119,917.76
  4. Step 4: Simplify right side
    215,418.56x = 35,646,062,611.30
  5. Step 5: Solve for x
    x = 35,646,062,611.30/215,418.56
  6. Step 6: Final answer
    x = 165,473.50

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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.