Home / 274,728.40-412,092.60-168,440.20

Finding the Fourth Proportional to 274,728.40, 412,092.60 and 168,440.20

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Solution

The fourth proportional to 274,728.40, 412,092.60 and 168,440.20 is: 252,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,728.40 : 412,092.60 = 168,440.20 : x
  2. Step 2: Convert to fraction form
    274,728.40/412,092.60 = 168,440.20/x
  3. Step 3: Cross multiply
    274,728.40x = 412,092.60 × 168,440.20
  4. Step 4: Simplify right side
    274,728.40x = 69,412,959,962.52
  5. Step 5: Solve for x
    x = 69,412,959,962.52/274,728.40
  6. Step 6: Final answer
    x = 252,660.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.