Home / 225,402.24-311,055.22-140,519.64

Finding the Fourth Proportional to 225,402.24, 311,055.22 and 140,519.64

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Solution

The fourth proportional to 225,402.24, 311,055.22 and 140,519.64 is: 193,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,402.24 : 311,055.22 = 140,519.64 : x
  2. Step 2: Convert to fraction form
    225,402.24/311,055.22 = 140,519.64/x
  3. Step 3: Cross multiply
    225,402.24x = 311,055.22 × 140,519.64
  4. Step 4: Simplify right side
    225,402.24x = 43,709,367,534.52
  5. Step 5: Solve for x
    x = 43,709,367,534.52/225,402.24
  6. Step 6: Final answer
    x = 193,917.18

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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.