Home / 274,524.79-378,848.09-158,173.96

Finding the Fourth Proportional to 274,524.79, 378,848.09 and 158,173.96

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Solution

The fourth proportional to 274,524.79, 378,848.09 and 158,173.96 is: 218,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,524.79 : 378,848.09 = 158,173.96 : x
  2. Step 2: Convert to fraction form
    274,524.79/378,848.09 = 158,173.96/x
  3. Step 3: Cross multiply
    274,524.79x = 378,848.09 × 158,173.96
  4. Step 4: Simplify right side
    274,524.79x = 59,923,902,633.74
  5. Step 5: Solve for x
    x = 59,923,902,633.74/274,524.79
  6. Step 6: Final answer
    x = 218,282.30

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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.