Home / 225,576.28-311,287.62-130,080.52

Finding the Fourth Proportional to 225,576.28, 311,287.62 and 130,080.52

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Solution

The fourth proportional to 225,576.28, 311,287.62 and 130,080.52 is: 179,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,576.28 : 311,287.62 = 130,080.52 : x
  2. Step 2: Convert to fraction form
    225,576.28/311,287.62 = 130,080.52/x
  3. Step 3: Cross multiply
    225,576.28x = 311,287.62 × 130,080.52
  4. Step 4: Simplify right side
    225,576.28x = 40,492,455,479.16
  5. Step 5: Solve for x
    x = 40,492,455,479.16/225,576.28
  6. Step 6: Final answer
    x = 179,506.71

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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.