Home / 331,212.20-496,883.10-141,672.20

Finding the Fourth Proportional to 331,212.20, 496,883.10 and 141,672.20

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Solution

The fourth proportional to 331,212.20, 496,883.10 and 141,672.20 is: 212,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,212.20 : 496,883.10 = 141,672.20 : x
  2. Step 2: Convert to fraction form
    331,212.20/496,883.10 = 141,672.20/x
  3. Step 3: Cross multiply
    331,212.20x = 496,883.10 × 141,672.20
  4. Step 4: Simplify right side
    331,212.20x = 70,394,521,919.82
  5. Step 5: Solve for x
    x = 70,394,521,919.82/331,212.20
  6. Step 6: Final answer
    x = 212,536.02

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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.