Home / 226,293.20-312,249.94-130,781.48

Finding the Fourth Proportional to 226,293.20, 312,249.94 and 130,781.48

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Solution

The fourth proportional to 226,293.20, 312,249.94 and 130,781.48 is: 180,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,293.20 : 312,249.94 = 130,781.48 : x
  2. Step 2: Convert to fraction form
    226,293.20/312,249.94 = 130,781.48/x
  3. Step 3: Cross multiply
    226,293.20x = 312,249.94 × 130,781.48
  4. Step 4: Simplify right side
    226,293.20x = 40,836,509,283.11
  5. Step 5: Solve for x
    x = 40,836,509,283.11/226,293.20
  6. Step 6: Final answer
    x = 180,458.40

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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.