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Finding the Fourth Proportional to 303,306.93, 418,697.78 and 195,929.31

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Solution

The fourth proportional to 303,306.93, 418,697.78 and 195,929.31 is: 270,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,306.93 : 418,697.78 = 195,929.31 : x
  2. Step 2: Convert to fraction form
    303,306.93/418,697.78 = 195,929.31/x
  3. Step 3: Cross multiply
    303,306.93x = 418,697.78 × 195,929.31
  4. Step 4: Simplify right side
    303,306.93x = 82,035,166,154.29
  5. Step 5: Solve for x
    x = 82,035,166,154.29/303,306.93
  6. Step 6: Final answer
    x = 270,469.15

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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.