Home / 342,720.18-472,942.22-189,764.82

Finding the Fourth Proportional to 342,720.18, 472,942.22 and 189,764.82

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Solution

The fourth proportional to 342,720.18, 472,942.22 and 189,764.82 is: 261,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,720.18 : 472,942.22 = 189,764.82 : x
  2. Step 2: Convert to fraction form
    342,720.18/472,942.22 = 189,764.82/x
  3. Step 3: Cross multiply
    342,720.18x = 472,942.22 × 189,764.82
  4. Step 4: Simplify right side
    342,720.18x = 89,747,794,299.88
  5. Step 5: Solve for x
    x = 89,747,794,299.88/342,720.18
  6. Step 6: Final answer
    x = 261,869.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.