Home / 486,218.80-671,015.62-271,400.72

Finding the Fourth Proportional to 486,218.80, 671,015.62 and 271,400.72

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Solution

The fourth proportional to 486,218.80, 671,015.62 and 271,400.72 is: 374,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,218.80 : 671,015.62 = 271,400.72 : x
  2. Step 2: Convert to fraction form
    486,218.80/671,015.62 = 271,400.72/x
  3. Step 3: Cross multiply
    486,218.80x = 671,015.62 × 271,400.72
  4. Step 4: Simplify right side
    486,218.80x = 182,114,122,399.25
  5. Step 5: Solve for x
    x = 182,114,122,399.25/486,218.80
  6. Step 6: Final answer
    x = 374,551.79

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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.