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Finding the Fourth Proportional to 304,245.48, 419,974.02 and 272,356.68

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Solution

The fourth proportional to 304,245.48, 419,974.02 and 272,356.68 is: 375,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,245.48 : 419,974.02 = 272,356.68 : x
  2. Step 2: Convert to fraction form
    304,245.48/419,974.02 = 272,356.68/x
  3. Step 3: Cross multiply
    304,245.48x = 419,974.02 × 272,356.68
  4. Step 4: Simplify right side
    304,245.48x = 114,382,729,773.45
  5. Step 5: Solve for x
    x = 114,382,729,773.45/304,245.48
  6. Step 6: Final answer
    x = 375,955.40

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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.