Home / 382,976.13-574,064.85-214,249.08

Finding the Fourth Proportional to 382,976.13, 574,064.85 and 214,249.08

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Solution

The fourth proportional to 382,976.13, 574,064.85 and 214,249.08 is: 321,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,976.13 : 574,064.85 = 214,249.08 : x
  2. Step 2: Convert to fraction form
    382,976.13/574,064.85 = 214,249.08/x
  3. Step 3: Cross multiply
    382,976.13x = 574,064.85 × 214,249.08
  4. Step 4: Simplify right side
    382,976.13x = 122,992,865,972.84
  5. Step 5: Solve for x
    x = 122,992,865,972.84/382,976.13
  6. Step 6: Final answer
    x = 321,150.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.