Home / 274,321.29-378,563.94-153,464.59

Finding the Fourth Proportional to 274,321.29, 378,563.94 and 153,464.59

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Solution

The fourth proportional to 274,321.29, 378,563.94 and 153,464.59 is: 211,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,321.29 : 378,563.94 = 153,464.59 : x
  2. Step 2: Convert to fraction form
    274,321.29/378,563.94 = 153,464.59/x
  3. Step 3: Cross multiply
    274,321.29x = 378,563.94 × 153,464.59
  4. Step 4: Simplify right side
    274,321.29x = 58,096,159,840.88
  5. Step 5: Solve for x
    x = 58,096,159,840.88/274,321.29
  6. Step 6: Final answer
    x = 211,781.45

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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.