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Finding the Fourth Proportional to 352,704.63, 486,735.96 and 191,562.83

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Solution

The fourth proportional to 352,704.63, 486,735.96 and 191,562.83 is: 264,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,704.63 : 486,735.96 = 191,562.83 : x
  2. Step 2: Convert to fraction form
    352,704.63/486,735.96 = 191,562.83/x
  3. Step 3: Cross multiply
    352,704.63x = 486,735.96 × 191,562.83
  4. Step 4: Simplify right side
    352,704.63x = 93,240,517,960.37
  5. Step 5: Solve for x
    x = 93,240,517,960.37/352,704.63
  6. Step 6: Final answer
    x = 264,358.64

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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.