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Finding the Fourth Proportional to 347,999.04, 522,001.62 and 137,637

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Solution

The fourth proportional to 347,999.04, 522,001.62 and 137,637 is: 206,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,999.04 : 522,001.62 = 137,637 : x
  2. Step 2: Convert to fraction form
    347,999.04/522,001.62 = 137,637/x
  3. Step 3: Cross multiply
    347,999.04x = 522,001.62 × 137,637
  4. Step 4: Simplify right side
    347,999.04x = 71,846,736,971.94
  5. Step 5: Solve for x
    x = 71,846,736,971.94/347,999.04
  6. Step 6: Final answer
    x = 206,456.71

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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.