Home / 215,311.30-322,966.95-136,579.30

Finding the Fourth Proportional to 215,311.30, 322,966.95 and 136,579.30

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Solution

The fourth proportional to 215,311.30, 322,966.95 and 136,579.30 is: 204,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,311.30 : 322,966.95 = 136,579.30 : x
  2. Step 2: Convert to fraction form
    215,311.30/322,966.95 = 136,579.30/x
  3. Step 3: Cross multiply
    215,311.30x = 322,966.95 × 136,579.30
  4. Step 4: Simplify right side
    215,311.30x = 44,110,599,954.14
  5. Step 5: Solve for x
    x = 44,110,599,954.14/215,311.30
  6. Step 6: Final answer
    x = 204,868.95

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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.