Home / 274,466.45-378,780.38-153,605.22

Finding the Fourth Proportional to 274,466.45, 378,780.38 and 153,605.22

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Solution

The fourth proportional to 274,466.45, 378,780.38 and 153,605.22 is: 211,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,466.45 : 378,780.38 = 153,605.22 : x
  2. Step 2: Convert to fraction form
    274,466.45/378,780.38 = 153,605.22/x
  3. Step 3: Cross multiply
    274,466.45x = 378,780.38 × 153,605.22
  4. Step 4: Simplify right side
    274,466.45x = 58,182,642,833.56
  5. Step 5: Solve for x
    x = 58,182,642,833.56/274,466.45
  6. Step 6: Final answer
    x = 211,984.54

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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.