Home / 347,659.25-521,569.75-107,760.43

Finding the Fourth Proportional to 347,659.25, 521,569.75 and 107,760.43

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Solution

The fourth proportional to 347,659.25, 521,569.75 and 107,760.43 is: 161,665.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,659.25 : 521,569.75 = 107,760.43 : x
  2. Step 2: Convert to fraction form
    347,659.25/521,569.75 = 107,760.43/x
  3. Step 3: Cross multiply
    347,659.25x = 521,569.75 × 107,760.43
  4. Step 4: Simplify right side
    347,659.25x = 56,204,578,185.77
  5. Step 5: Solve for x
    x = 56,204,578,185.77/347,659.25
  6. Step 6: Final answer
    x = 161,665.71

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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.