Home / 226,257.70-312,217.41-130,770.58

Finding the Fourth Proportional to 226,257.70, 312,217.41 and 130,770.58

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Solution

The fourth proportional to 226,257.70, 312,217.41 and 130,770.58 is: 180,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,257.70 : 312,217.41 = 130,770.58 : x
  2. Step 2: Convert to fraction form
    226,257.70/312,217.41 = 130,770.58/x
  3. Step 3: Cross multiply
    226,257.70x = 312,217.41 × 130,770.58
  4. Step 4: Simplify right side
    226,257.70x = 40,828,851,011.25
  5. Step 5: Solve for x
    x = 40,828,851,011.25/226,257.70
  6. Step 6: Final answer
    x = 180,452.87

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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.