Home / 382,619.70-573,929.55-214,658.10

Finding the Fourth Proportional to 382,619.70, 573,929.55 and 214,658.10

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Solution

The fourth proportional to 382,619.70, 573,929.55 and 214,658.10 is: 321,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,619.70 : 573,929.55 = 214,658.10 : x
  2. Step 2: Convert to fraction form
    382,619.70/573,929.55 = 214,658.10/x
  3. Step 3: Cross multiply
    382,619.70x = 573,929.55 × 214,658.10
  4. Step 4: Simplify right side
    382,619.70x = 123,198,626,736.86
  5. Step 5: Solve for x
    x = 123,198,626,736.86/382,619.70
  6. Step 6: Final answer
    x = 321,987.15

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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.