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Finding the Fourth Proportional to 352,391.80, 486,301.02 and 191,246.88

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Solution

The fourth proportional to 352,391.80, 486,301.02 and 191,246.88 is: 263,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,391.80 : 486,301.02 = 191,246.88 : x
  2. Step 2: Convert to fraction form
    352,391.80/486,301.02 = 191,246.88/x
  3. Step 3: Cross multiply
    352,391.80x = 486,301.02 × 191,246.88
  4. Step 4: Simplify right side
    352,391.80x = 93,003,552,815.82
  5. Step 5: Solve for x
    x = 93,003,552,815.82/352,391.80
  6. Step 6: Final answer
    x = 263,920.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.