Home / 321,333.16-443,422.68-185,359

Finding the Fourth Proportional to 321,333.16, 443,422.68 and 185,359

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Solution

The fourth proportional to 321,333.16, 443,422.68 and 185,359 is: 255,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,333.16 : 443,422.68 = 185,359 : x
  2. Step 2: Convert to fraction form
    321,333.16/443,422.68 = 185,359/x
  3. Step 3: Cross multiply
    321,333.16x = 443,422.68 × 185,359
  4. Step 4: Simplify right side
    321,333.16x = 82,192,384,542.12
  5. Step 5: Solve for x
    x = 82,192,384,542.12/321,333.16
  6. Step 6: Final answer
    x = 255,785.57

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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.