Home / 274,076.13-378,230.33-153,226.16

Finding the Fourth Proportional to 274,076.13, 378,230.33 and 153,226.16

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Solution

The fourth proportional to 274,076.13, 378,230.33 and 153,226.16 is: 211,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,076.13 : 378,230.33 = 153,226.16 : x
  2. Step 2: Convert to fraction form
    274,076.13/378,230.33 = 153,226.16/x
  3. Step 3: Cross multiply
    274,076.13x = 378,230.33 × 153,226.16
  4. Step 4: Simplify right side
    274,076.13x = 57,954,779,553.35
  5. Step 5: Solve for x
    x = 57,954,779,553.35/274,076.13
  6. Step 6: Final answer
    x = 211,455.04

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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.