Home / 226,306.40-312,358.94-130,799.30

Finding the Fourth Proportional to 226,306.40, 312,358.94 and 130,799.30

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Solution

The fourth proportional to 226,306.40, 312,358.94 and 130,799.30 is: 180,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,306.40 : 312,358.94 = 130,799.30 : x
  2. Step 2: Convert to fraction form
    226,306.40/312,358.94 = 130,799.30/x
  3. Step 3: Cross multiply
    226,306.40x = 312,358.94 × 130,799.30
  4. Step 4: Simplify right side
    226,306.40x = 40,856,330,700.74
  5. Step 5: Solve for x
    x = 40,856,330,700.74/226,306.40
  6. Step 6: Final answer
    x = 180,535.46

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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.