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Finding the Fourth Proportional to 295,698.15, 443,584.11 and 115,760.32

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Solution

The fourth proportional to 295,698.15, 443,584.11 and 115,760.32 is: 173,654.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,698.15 : 443,584.11 = 115,760.32 : x
  2. Step 2: Convert to fraction form
    295,698.15/443,584.11 = 115,760.32/x
  3. Step 3: Cross multiply
    295,698.15x = 443,584.11 × 115,760.32
  4. Step 4: Simplify right side
    295,698.15x = 51,349,438,520.52
  5. Step 5: Solve for x
    x = 51,349,438,520.52/295,698.15
  6. Step 6: Final answer
    x = 173,654.92

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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.