Home / 352,359.03-486,279.41-199,397.28

Finding the Fourth Proportional to 352,359.03, 486,279.41 and 199,397.28

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Solution

The fourth proportional to 352,359.03, 486,279.41 and 199,397.28 is: 275,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,359.03 : 486,279.41 = 199,397.28 : x
  2. Step 2: Convert to fraction form
    352,359.03/486,279.41 = 199,397.28/x
  3. Step 3: Cross multiply
    352,359.03x = 486,279.41 × 199,397.28
  4. Step 4: Simplify right side
    352,359.03x = 96,962,791,674.00
  5. Step 5: Solve for x
    x = 96,962,791,674.00/352,359.03
  6. Step 6: Final answer
    x = 275,181.80

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1.5x scale

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.