Home / 274,529.36-378,832.96-153,650.32

Finding the Fourth Proportional to 274,529.36, 378,832.96 and 153,650.32

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Solution

The fourth proportional to 274,529.36, 378,832.96 and 153,650.32 is: 212,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,529.36 : 378,832.96 = 153,650.32 : x
  2. Step 2: Convert to fraction form
    274,529.36/378,832.96 = 153,650.32/x
  3. Step 3: Cross multiply
    274,529.36x = 378,832.96 × 153,650.32
  4. Step 4: Simplify right side
    274,529.36x = 58,207,805,530.55
  5. Step 5: Solve for x
    x = 58,207,805,530.55/274,529.36
  6. Step 6: Final answer
    x = 212,027.62

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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.