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Finding the Fourth Proportional to 227,772.66, 341,867.57 and 115,530.42

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Solution

The fourth proportional to 227,772.66, 341,867.57 and 115,530.42 is: 173,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,772.66 : 341,867.57 = 115,530.42 : x
  2. Step 2: Convert to fraction form
    227,772.66/341,867.57 = 115,530.42/x
  3. Step 3: Cross multiply
    227,772.66x = 341,867.57 × 115,530.42
  4. Step 4: Simplify right side
    227,772.66x = 39,496,103,368.83
  5. Step 5: Solve for x
    x = 39,496,103,368.83/227,772.66
  6. Step 6: Final answer
    x = 173,401.42

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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.