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Finding the Fourth Proportional to 215,083.58, 322,471.74 and 101,167.64

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Solution

The fourth proportional to 215,083.58, 322,471.74 and 101,167.64 is: 151,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,083.58 : 322,471.74 = 101,167.64 : x
  2. Step 2: Convert to fraction form
    215,083.58/322,471.74 = 101,167.64/x
  3. Step 3: Cross multiply
    215,083.58x = 322,471.74 × 101,167.64
  4. Step 4: Simplify right side
    215,083.58x = 32,623,704,902.49
  5. Step 5: Solve for x
    x = 32,623,704,902.49/215,083.58
  6. Step 6: Final answer
    x = 151,679.20

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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.