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Finding the Fourth Proportional to 303,601.23, 454,792.72 and 278,799.03

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Solution

The fourth proportional to 303,601.23, 454,792.72 and 278,799.03 is: 417,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,601.23 : 454,792.72 = 278,799.03 : x
  2. Step 2: Convert to fraction form
    303,601.23/454,792.72 = 278,799.03/x
  3. Step 3: Cross multiply
    303,601.23x = 454,792.72 × 278,799.03
  4. Step 4: Simplify right side
    303,601.23x = 126,795,769,187.06
  5. Step 5: Solve for x
    x = 126,795,769,187.06/303,601.23
  6. Step 6: Final answer
    x = 417,639.18

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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.