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Finding the Fourth Proportional to 352,677.43, 486,694.74 and 191,532.52

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Solution

The fourth proportional to 352,677.43, 486,694.74 and 191,532.52 is: 264,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,677.43 : 486,694.74 = 191,532.52 : x
  2. Step 2: Convert to fraction form
    352,677.43/486,694.74 = 191,532.52/x
  3. Step 3: Cross multiply
    352,677.43x = 486,694.74 × 191,532.52
  4. Step 4: Simplify right side
    352,677.43x = 93,217,870,022.94
  5. Step 5: Solve for x
    x = 93,217,870,022.94/352,677.43
  6. Step 6: Final answer
    x = 264,314.82

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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.