Home / 215,834.92-323,475.30-103,346.57

Finding the Fourth Proportional to 215,834.92, 323,475.30 and 103,346.57

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Solution

The fourth proportional to 215,834.92, 323,475.30 and 103,346.57 is: 154,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,834.92 : 323,475.30 = 103,346.57 : x
  2. Step 2: Convert to fraction form
    215,834.92/323,475.30 = 103,346.57/x
  3. Step 3: Cross multiply
    215,834.92x = 323,475.30 × 103,346.57
  4. Step 4: Simplify right side
    215,834.92x = 33,430,062,734.72
  5. Step 5: Solve for x
    x = 33,430,062,734.72/215,834.92
  6. Step 6: Final answer
    x = 154,887.18

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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.