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Finding the Fourth Proportional to 439,740.64, 606,842.28 and 248,749.96

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Solution

The fourth proportional to 439,740.64, 606,842.28 and 248,749.96 is: 343,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,740.64 : 606,842.28 = 248,749.96 : x
  2. Step 2: Convert to fraction form
    439,740.64/606,842.28 = 248,749.96/x
  3. Step 3: Cross multiply
    439,740.64x = 606,842.28 × 248,749.96
  4. Step 4: Simplify right side
    439,740.64x = 150,951,992,876.31
  5. Step 5: Solve for x
    x = 150,951,992,876.31/439,740.64
  6. Step 6: Final answer
    x = 343,275.06

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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.