Home / 274,122.60-378,297.06-153,264.18

Finding the Fourth Proportional to 274,122.60, 378,297.06 and 153,264.18

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Solution

The fourth proportional to 274,122.60, 378,297.06 and 153,264.18 is: 211,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,122.60 : 378,297.06 = 153,264.18 : x
  2. Step 2: Convert to fraction form
    274,122.60/378,297.06 = 153,264.18/x
  3. Step 3: Cross multiply
    274,122.60x = 378,297.06 × 153,264.18
  4. Step 4: Simplify right side
    274,122.60x = 57,979,388,697.31
  5. Step 5: Solve for x
    x = 57,979,388,697.31/274,122.60
  6. Step 6: Final answer
    x = 211,508.97

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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.