Home / 231,217.91-346,854.63-81,427.22

Finding the Fourth Proportional to 231,217.91, 346,854.63 and 81,427.22

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Solution

The fourth proportional to 231,217.91, 346,854.63 and 81,427.22 is: 122,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,217.91 : 346,854.63 = 81,427.22 : x
  2. Step 2: Convert to fraction form
    231,217.91/346,854.63 = 81,427.22/x
  3. Step 3: Cross multiply
    231,217.91x = 346,854.63 × 81,427.22
  4. Step 4: Simplify right side
    231,217.91x = 28,243,408,265.03
  5. Step 5: Solve for x
    x = 28,243,408,265.03/231,217.91
  6. Step 6: Final answer
    x = 122,150.61

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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.