Home / 274,104.06-378,298.35-153,252.50

Finding the Fourth Proportional to 274,104.06, 378,298.35 and 153,252.50

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Solution

The fourth proportional to 274,104.06, 378,298.35 and 153,252.50 is: 211,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,104.06 : 378,298.35 = 153,252.50 : x
  2. Step 2: Convert to fraction form
    274,104.06/378,298.35 = 153,252.50/x
  3. Step 3: Cross multiply
    274,104.06x = 378,298.35 × 153,252.50
  4. Step 4: Simplify right side
    274,104.06x = 57,975,165,991.88
  5. Step 5: Solve for x
    x = 57,975,165,991.88/274,104.06
  6. Step 6: Final answer
    x = 211,507.87

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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.