Home / 321,982.10-482,973.15-202,231.70

Finding the Fourth Proportional to 321,982.10, 482,973.15 and 202,231.70

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Solution

The fourth proportional to 321,982.10, 482,973.15 and 202,231.70 is: 303,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,982.10 : 482,973.15 = 202,231.70 : x
  2. Step 2: Convert to fraction form
    321,982.10/482,973.15 = 202,231.70/x
  3. Step 3: Cross multiply
    321,982.10x = 482,973.15 × 202,231.70
  4. Step 4: Simplify right side
    321,982.10x = 97,672,481,178.86
  5. Step 5: Solve for x
    x = 97,672,481,178.86/321,982.10
  6. Step 6: Final answer
    x = 303,347.55

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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.