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Finding the Fourth Proportional to 352,662.30, 486,672.48 and 191,516.04

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Solution

The fourth proportional to 352,662.30, 486,672.48 and 191,516.04 is: 264,291.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,662.30 : 486,672.48 = 191,516.04 : x
  2. Step 2: Convert to fraction form
    352,662.30/486,672.48 = 191,516.04/x
  3. Step 3: Cross multiply
    352,662.30x = 486,672.48 × 191,516.04
  4. Step 4: Simplify right side
    352,662.30x = 93,205,586,146.58
  5. Step 5: Solve for x
    x = 93,205,586,146.58/352,662.30
  6. Step 6: Final answer
    x = 264,291.32

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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.