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Finding the Fourth Proportional to 300,445.72, 414,586.68 and 179,563

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Solution

The fourth proportional to 300,445.72, 414,586.68 and 179,563 is: 247,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,445.72 : 414,586.68 = 179,563 : x
  2. Step 2: Convert to fraction form
    300,445.72/414,586.68 = 179,563/x
  3. Step 3: Cross multiply
    300,445.72x = 414,586.68 × 179,563
  4. Step 4: Simplify right side
    300,445.72x = 74,444,428,020.84
  5. Step 5: Solve for x
    x = 74,444,428,020.84/300,445.72
  6. Step 6: Final answer
    x = 247,779.96

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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.