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Finding the Fourth Proportional to 303,864.80, 454,922.40 and 268,872.80

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Solution

The fourth proportional to 303,864.80, 454,922.40 and 268,872.80 is: 402,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,864.80 : 454,922.40 = 268,872.80 : x
  2. Step 2: Convert to fraction form
    303,864.80/454,922.40 = 268,872.80/x
  3. Step 3: Cross multiply
    303,864.80x = 454,922.40 × 268,872.80
  4. Step 4: Simplify right side
    303,864.80x = 122,316,259,470.72
  5. Step 5: Solve for x
    x = 122,316,259,470.72/303,864.80
  6. Step 6: Final answer
    x = 402,535.14

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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.