Home / 215,518.10-323,277.15-82,402.70

Finding the Fourth Proportional to 215,518.10, 323,277.15 and 82,402.70

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Solution

The fourth proportional to 215,518.10, 323,277.15 and 82,402.70 is: 123,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,518.10 : 323,277.15 = 82,402.70 : x
  2. Step 2: Convert to fraction form
    215,518.10/323,277.15 = 82,402.70/x
  3. Step 3: Cross multiply
    215,518.10x = 323,277.15 × 82,402.70
  4. Step 4: Simplify right side
    215,518.10x = 26,638,910,008.31
  5. Step 5: Solve for x
    x = 26,638,910,008.31/215,518.10
  6. Step 6: Final answer
    x = 123,604.05

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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.