Home / 275,282.38-379,817.13-158,967.34

Finding the Fourth Proportional to 275,282.38, 379,817.13 and 158,967.34

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Solution

The fourth proportional to 275,282.38, 379,817.13 and 158,967.34 is: 219,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,282.38 : 379,817.13 = 158,967.34 : x
  2. Step 2: Convert to fraction form
    275,282.38/379,817.13 = 158,967.34/x
  3. Step 3: Cross multiply
    275,282.38x = 379,817.13 × 158,967.34
  4. Step 4: Simplify right side
    275,282.38x = 60,378,518,842.53
  5. Step 5: Solve for x
    x = 60,378,518,842.53/275,282.38
  6. Step 6: Final answer
    x = 219,333.03

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1.5x scale

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.