Home / 274,493.29-378,714.38-153,615.37

Finding the Fourth Proportional to 274,493.29, 378,714.38 and 153,615.37

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Solution

The fourth proportional to 274,493.29, 378,714.38 and 153,615.37 is: 211,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,493.29 : 378,714.38 = 153,615.37 : x
  2. Step 2: Convert to fraction form
    274,493.29/378,714.38 = 153,615.37/x
  3. Step 3: Cross multiply
    274,493.29x = 378,714.38 × 153,615.37
  4. Step 4: Simplify right side
    274,493.29x = 58,176,349,608.02
  5. Step 5: Solve for x
    x = 58,176,349,608.02/274,493.29
  6. Step 6: Final answer
    x = 211,940.88

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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.