Home / 382,209.20-573,313.80-329,721.20

Finding the Fourth Proportional to 382,209.20, 573,313.80 and 329,721.20

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Solution

The fourth proportional to 382,209.20, 573,313.80 and 329,721.20 is: 494,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,209.20 : 573,313.80 = 329,721.20 : x
  2. Step 2: Convert to fraction form
    382,209.20/573,313.80 = 329,721.20/x
  3. Step 3: Cross multiply
    382,209.20x = 573,313.80 × 329,721.20
  4. Step 4: Simplify right side
    382,209.20x = 189,033,714,112.56
  5. Step 5: Solve for x
    x = 189,033,714,112.56/382,209.20
  6. Step 6: Final answer
    x = 494,581.80

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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.