Home / 321,308.24-482,562.66-282,853.37

Finding the Fourth Proportional to 321,308.24, 482,562.66 and 282,853.37

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Solution

The fourth proportional to 321,308.24, 482,562.66 and 282,853.37 is: 424,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,308.24 : 482,562.66 = 282,853.37 : x
  2. Step 2: Convert to fraction form
    321,308.24/482,562.66 = 282,853.37/x
  3. Step 3: Cross multiply
    321,308.24x = 482,562.66 × 282,853.37
  4. Step 4: Simplify right side
    321,308.24x = 136,494,472,976.57
  5. Step 5: Solve for x
    x = 136,494,472,976.57/321,308.24
  6. Step 6: Final answer
    x = 424,808.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.