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Finding the Fourth Proportional to 439,376.38, 606,310.79 and 245,750.54

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Solution

The fourth proportional to 439,376.38, 606,310.79 and 245,750.54 is: 339,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,376.38 : 606,310.79 = 245,750.54 : x
  2. Step 2: Convert to fraction form
    439,376.38/606,310.79 = 245,750.54/x
  3. Step 3: Cross multiply
    439,376.38x = 606,310.79 × 245,750.54
  4. Step 4: Simplify right side
    439,376.38x = 149,001,201,633.15
  5. Step 5: Solve for x
    x = 149,001,201,633.15/439,376.38
  6. Step 6: Final answer
    x = 339,119.74

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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.