Home / 318,233.26-477,311.01-131,220.46

Finding the Fourth Proportional to 318,233.26, 477,311.01 and 131,220.46

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Solution

The fourth proportional to 318,233.26, 477,311.01 and 131,220.46 is: 196,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,233.26 : 477,311.01 = 131,220.46 : x
  2. Step 2: Convert to fraction form
    318,233.26/477,311.01 = 131,220.46/x
  3. Step 3: Cross multiply
    318,233.26x = 477,311.01 × 131,220.46
  4. Step 4: Simplify right side
    318,233.26x = 62,632,970,295.26
  5. Step 5: Solve for x
    x = 62,632,970,295.26/318,233.26
  6. Step 6: Final answer
    x = 196,814.66

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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.