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Finding the Fourth Proportional to 352,095.76, 485,879 and 208,770.04

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Solution

The fourth proportional to 352,095.76, 485,879 and 208,770.04 is: 288,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,095.76 : 485,879 = 208,770.04 : x
  2. Step 2: Convert to fraction form
    352,095.76/485,879 = 208,770.04/x
  3. Step 3: Cross multiply
    352,095.76x = 485,879 × 208,770.04
  4. Step 4: Simplify right side
    352,095.76x = 101,436,978,265.16
  5. Step 5: Solve for x
    x = 101,436,978,265.16/352,095.76
  6. Step 6: Final answer
    x = 288,094.86

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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.