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Finding the Fourth Proportional to 303,598.74, 454,788.98 and 278,796.54

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Solution

The fourth proportional to 303,598.74, 454,788.98 and 278,796.54 is: 417,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,598.74 : 454,788.98 = 278,796.54 : x
  2. Step 2: Convert to fraction form
    303,598.74/454,788.98 = 278,796.54/x
  3. Step 3: Cross multiply
    303,598.74x = 454,788.98 × 278,796.54
  4. Step 4: Simplify right side
    303,598.74x = 126,793,594,054.13
  5. Step 5: Solve for x
    x = 126,793,594,054.13/303,598.74
  6. Step 6: Final answer
    x = 417,635.44

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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.