Home / 418,659.75-577,745.03-227,669.04

Finding the Fourth Proportional to 418,659.75, 577,745.03 and 227,669.04

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Solution

The fourth proportional to 418,659.75, 577,745.03 and 227,669.04 is: 314,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,659.75 : 577,745.03 = 227,669.04 : x
  2. Step 2: Convert to fraction form
    418,659.75/577,745.03 = 227,669.04/x
  3. Step 3: Cross multiply
    418,659.75x = 577,745.03 × 227,669.04
  4. Step 4: Simplify right side
    418,659.75x = 131,534,656,344.87
  5. Step 5: Solve for x
    x = 131,534,656,344.87/418,659.75
  6. Step 6: Final answer
    x = 314,180.33

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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.