Home / 274,343.91-378,316.40-166,809.12

Finding the Fourth Proportional to 274,343.91, 378,316.40 and 166,809.12

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Solution

The fourth proportional to 274,343.91, 378,316.40 and 166,809.12 is: 230,027.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,343.91 : 378,316.40 = 166,809.12 : x
  2. Step 2: Convert to fraction form
    274,343.91/378,316.40 = 166,809.12/x
  3. Step 3: Cross multiply
    274,343.91x = 378,316.40 × 166,809.12
  4. Step 4: Simplify right side
    274,343.91x = 63,106,625,765.57
  5. Step 5: Solve for x
    x = 63,106,625,765.57/274,343.91
  6. Step 6: Final answer
    x = 230,027.43

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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.