Home / 273,964.96-378,077.84-160,869.28

Finding the Fourth Proportional to 273,964.96, 378,077.84 and 160,869.28

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Solution

The fourth proportional to 273,964.96, 378,077.84 and 160,869.28 is: 222,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,964.96 : 378,077.84 = 160,869.28 : x
  2. Step 2: Convert to fraction form
    273,964.96/378,077.84 = 160,869.28/x
  3. Step 3: Cross multiply
    273,964.96x = 378,077.84 × 160,869.28
  4. Step 4: Simplify right side
    273,964.96x = 60,821,109,904.76
  5. Step 5: Solve for x
    x = 60,821,109,904.76/273,964.96
  6. Step 6: Final answer
    x = 222,003.24

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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.