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Finding the Fourth Proportional to 438,796.56, 658,220.31 and 123,278.04

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Solution

The fourth proportional to 438,796.56, 658,220.31 and 123,278.04 is: 184,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,796.56 : 658,220.31 = 123,278.04 : x
  2. Step 2: Convert to fraction form
    438,796.56/658,220.31 = 123,278.04/x
  3. Step 3: Cross multiply
    438,796.56x = 658,220.31 × 123,278.04
  4. Step 4: Simplify right side
    438,796.56x = 81,144,109,704.99
  5. Step 5: Solve for x
    x = 81,144,109,704.99/438,796.56
  6. Step 6: Final answer
    x = 184,924.22

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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.