Home / 274,274.64-378,346.70-159,540.36

Finding the Fourth Proportional to 274,274.64, 378,346.70 and 159,540.36

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Solution

The fourth proportional to 274,274.64, 378,346.70 and 159,540.36 is: 220,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,274.64 : 378,346.70 = 159,540.36 : x
  2. Step 2: Convert to fraction form
    274,274.64/378,346.70 = 159,540.36/x
  3. Step 3: Cross multiply
    274,274.64x = 378,346.70 × 159,540.36
  4. Step 4: Simplify right side
    274,274.64x = 60,361,568,722.81
  5. Step 5: Solve for x
    x = 60,361,568,722.81/274,274.64
  6. Step 6: Final answer
    x = 220,077.10

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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.