Home / 226,257.45-312,217.07-130,770.33

Finding the Fourth Proportional to 226,257.45, 312,217.07 and 130,770.33

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Solution

The fourth proportional to 226,257.45, 312,217.07 and 130,770.33 is: 180,452.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,257.45 : 312,217.07 = 130,770.33 : x
  2. Step 2: Convert to fraction form
    226,257.45/312,217.07 = 130,770.33/x
  3. Step 3: Cross multiply
    226,257.45x = 312,217.07 × 130,770.33
  4. Step 4: Simplify right side
    226,257.45x = 40,828,729,275.53
  5. Step 5: Solve for x
    x = 40,828,729,275.53/226,257.45
  6. Step 6: Final answer
    x = 180,452.53

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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.