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Finding the Fourth Proportional to 483,545.76, 667,262.52 and 268,673.28

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Solution

The fourth proportional to 483,545.76, 667,262.52 and 268,673.28 is: 370,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,545.76 : 667,262.52 = 268,673.28 : x
  2. Step 2: Convert to fraction form
    483,545.76/667,262.52 = 268,673.28/x
  3. Step 3: Cross multiply
    483,545.76x = 667,262.52 × 268,673.28
  4. Step 4: Simplify right side
    483,545.76x = 179,275,609,869.47
  5. Step 5: Solve for x
    x = 179,275,609,869.47/483,545.76
  6. Step 6: Final answer
    x = 370,752.11

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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.