Home / 275,109.28-379,560.04-166,172.92

Finding the Fourth Proportional to 275,109.28, 379,560.04 and 166,172.92

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Solution

The fourth proportional to 275,109.28, 379,560.04 and 166,172.92 is: 229,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,109.28 : 379,560.04 = 166,172.92 : x
  2. Step 2: Convert to fraction form
    275,109.28/379,560.04 = 166,172.92/x
  3. Step 3: Cross multiply
    275,109.28x = 379,560.04 × 166,172.92
  4. Step 4: Simplify right side
    275,109.28x = 63,072,598,797.78
  5. Step 5: Solve for x
    x = 63,072,598,797.78/275,109.28
  6. Step 6: Final answer
    x = 229,263.80

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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.