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Finding the Fourth Proportional to 295,930.90, 443,896.35 and 118,565.20

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Solution

The fourth proportional to 295,930.90, 443,896.35 and 118,565.20 is: 177,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,930.90 : 443,896.35 = 118,565.20 : x
  2. Step 2: Convert to fraction form
    295,930.90/443,896.35 = 118,565.20/x
  3. Step 3: Cross multiply
    295,930.90x = 443,896.35 × 118,565.20
  4. Step 4: Simplify right side
    295,930.90x = 52,630,659,517.02
  5. Step 5: Solve for x
    x = 52,630,659,517.02/295,930.90
  6. Step 6: Final answer
    x = 177,847.80

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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.