Home / 275,063.12-379,586.83-154,204.43

Finding the Fourth Proportional to 275,063.12, 379,586.83 and 154,204.43

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Solution

The fourth proportional to 275,063.12, 379,586.83 and 154,204.43 is: 212,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,063.12 : 379,586.83 = 154,204.43 : x
  2. Step 2: Convert to fraction form
    275,063.12/379,586.83 = 154,204.43/x
  3. Step 3: Cross multiply
    275,063.12x = 379,586.83 × 154,204.43
  4. Step 4: Simplify right side
    275,063.12x = 58,533,972,397.81
  5. Step 5: Solve for x
    x = 58,533,972,397.81/275,063.12
  6. Step 6: Final answer
    x = 212,801.97

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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.