Home / 226,293.48-312,250.28-130,781.72

Finding the Fourth Proportional to 226,293.48, 312,250.28 and 130,781.72

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Solution

The fourth proportional to 226,293.48, 312,250.28 and 130,781.72 is: 180,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,293.48 : 312,250.28 = 130,781.72 : x
  2. Step 2: Convert to fraction form
    226,293.48/312,250.28 = 130,781.72/x
  3. Step 3: Cross multiply
    226,293.48x = 312,250.28 × 130,781.72
  4. Step 4: Simplify right side
    226,293.48x = 40,836,628,688.88
  5. Step 5: Solve for x
    x = 40,836,628,688.88/226,293.48
  6. Step 6: Final answer
    x = 180,458.71

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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.