Home / 215,414.82-322,641.08-156,114.31

Finding the Fourth Proportional to 215,414.82, 322,641.08 and 156,114.31

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Solution

The fourth proportional to 215,414.82, 322,641.08 and 156,114.31 is: 233,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,414.82 : 322,641.08 = 156,114.31 : x
  2. Step 2: Convert to fraction form
    215,414.82/322,641.08 = 156,114.31/x
  3. Step 3: Cross multiply
    215,414.82x = 322,641.08 × 156,114.31
  4. Step 4: Simplify right side
    215,414.82x = 50,368,889,581.85
  5. Step 5: Solve for x
    x = 50,368,889,581.85/215,414.82
  6. Step 6: Final answer
    x = 233,822.77

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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.