Home / 226,286.40-312,240.54-130,774.66

Finding the Fourth Proportional to 226,286.40, 312,240.54 and 130,774.66

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Solution

The fourth proportional to 226,286.40, 312,240.54 and 130,774.66 is: 180,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,286.40 : 312,240.54 = 130,774.66 : x
  2. Step 2: Convert to fraction form
    226,286.40/312,240.54 = 130,774.66/x
  3. Step 3: Cross multiply
    226,286.40x = 312,240.54 × 130,774.66
  4. Step 4: Simplify right side
    226,286.40x = 40,833,150,456.72
  5. Step 5: Solve for x
    x = 40,833,150,456.72/226,286.40
  6. Step 6: Final answer
    x = 180,448.98

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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.