Home / 320,821.56-482,104.71-171,167.58

Finding the Fourth Proportional to 320,821.56, 482,104.71 and 171,167.58

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Solution

The fourth proportional to 320,821.56, 482,104.71 and 171,167.58 is: 257,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,821.56 : 482,104.71 = 171,167.58 : x
  2. Step 2: Convert to fraction form
    320,821.56/482,104.71 = 171,167.58/x
  3. Step 3: Cross multiply
    320,821.56x = 482,104.71 × 171,167.58
  4. Step 4: Simplify right side
    320,821.56x = 82,520,696,517.30
  5. Step 5: Solve for x
    x = 82,520,696,517.30/320,821.56
  6. Step 6: Final answer
    x = 257,216.80

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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.