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Finding the Fourth Proportional to 295,138.60, 442,650.30 and 95,410.60

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Solution

The fourth proportional to 295,138.60, 442,650.30 and 95,410.60 is: 143,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,138.60 : 442,650.30 = 95,410.60 : x
  2. Step 2: Convert to fraction form
    295,138.60/442,650.30 = 95,410.60/x
  3. Step 3: Cross multiply
    295,138.60x = 442,650.30 × 95,410.60
  4. Step 4: Simplify right side
    295,138.60x = 42,233,530,713.18
  5. Step 5: Solve for x
    x = 42,233,530,713.18/295,138.60
  6. Step 6: Final answer
    x = 143,097.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.