Home / 215,524.90-323,337.62-65,764.91

Finding the Fourth Proportional to 215,524.90, 323,337.62 and 65,764.91

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Solution

The fourth proportional to 215,524.90, 323,337.62 and 65,764.91 is: 98,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,524.90 : 323,337.62 = 65,764.91 : x
  2. Step 2: Convert to fraction form
    215,524.90/323,337.62 = 65,764.91/x
  3. Step 3: Cross multiply
    215,524.90x = 323,337.62 × 65,764.91
  4. Step 4: Simplify right side
    215,524.90x = 21,264,270,451.67
  5. Step 5: Solve for x
    x = 21,264,270,451.67/215,524.90
  6. Step 6: Final answer
    x = 98,662.71

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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.