Home / 482,768.45-724,216.28-179,121.29

Finding the Fourth Proportional to 482,768.45, 724,216.28 and 179,121.29

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Solution

The fourth proportional to 482,768.45, 724,216.28 and 179,121.29 is: 268,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,768.45 : 724,216.28 = 179,121.29 : x
  2. Step 2: Convert to fraction form
    482,768.45/724,216.28 = 179,121.29/x
  3. Step 3: Cross multiply
    482,768.45x = 724,216.28 × 179,121.29
  4. Step 4: Simplify right side
    482,768.45x = 129,722,554,312.60
  5. Step 5: Solve for x
    x = 129,722,554,312.60/482,768.45
  6. Step 6: Final answer
    x = 268,705.53

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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.