Home / 352,338.30-486,220.12-199,373.72

Finding the Fourth Proportional to 352,338.30, 486,220.12 and 199,373.72

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Solution

The fourth proportional to 352,338.30, 486,220.12 and 199,373.72 is: 275,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,338.30 : 486,220.12 = 199,373.72 : x
  2. Step 2: Convert to fraction form
    352,338.30/486,220.12 = 199,373.72/x
  3. Step 3: Cross multiply
    352,338.30x = 486,220.12 × 199,373.72
  4. Step 4: Simplify right side
    352,338.30x = 96,939,511,133.71
  5. Step 5: Solve for x
    x = 96,939,511,133.71/352,338.30
  6. Step 6: Final answer
    x = 275,131.91

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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.