Home / 378,583.67-522,502.04-242,770.97

Finding the Fourth Proportional to 378,583.67, 522,502.04 and 242,770.97

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Solution

The fourth proportional to 378,583.67, 522,502.04 and 242,770.97 is: 335,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,583.67 : 522,502.04 = 242,770.97 : x
  2. Step 2: Convert to fraction form
    378,583.67/522,502.04 = 242,770.97/x
  3. Step 3: Cross multiply
    378,583.67x = 522,502.04 × 242,770.97
  4. Step 4: Simplify right side
    378,583.67x = 126,848,328,990.96
  5. Step 5: Solve for x
    x = 126,848,328,990.96/378,583.67
  6. Step 6: Final answer
    x = 335,060.22

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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.