Home / 225,794.07-311,593.25-130,298.72

Finding the Fourth Proportional to 225,794.07, 311,593.25 and 130,298.72

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Solution

The fourth proportional to 225,794.07, 311,593.25 and 130,298.72 is: 179,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,794.07 : 311,593.25 = 130,298.72 : x
  2. Step 2: Convert to fraction form
    225,794.07/311,593.25 = 130,298.72/x
  3. Step 3: Cross multiply
    225,794.07x = 311,593.25 × 130,298.72
  4. Step 4: Simplify right side
    225,794.07x = 40,600,200,403.42
  5. Step 5: Solve for x
    x = 40,600,200,403.42/225,794.07
  6. Step 6: Final answer
    x = 179,810.75

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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.