Home / 226,552.41-312,608.07-129,741.21

Finding the Fourth Proportional to 226,552.41, 312,608.07 and 129,741.21

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Solution

The fourth proportional to 226,552.41, 312,608.07 and 129,741.21 is: 179,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,552.41 : 312,608.07 = 129,741.21 : x
  2. Step 2: Convert to fraction form
    226,552.41/312,608.07 = 129,741.21/x
  3. Step 3: Cross multiply
    226,552.41x = 312,608.07 × 129,741.21
  4. Step 4: Simplify right side
    226,552.41x = 40,558,149,257.56
  5. Step 5: Solve for x
    x = 40,558,149,257.56/226,552.41
  6. Step 6: Final answer
    x = 179,023.25

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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.