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Finding the Fourth Proportional to 227,879.30, 314,471.59 and 125,904.44

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Solution

The fourth proportional to 227,879.30, 314,471.59 and 125,904.44 is: 173,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,879.30 : 314,471.59 = 125,904.44 : x
  2. Step 2: Convert to fraction form
    227,879.30/314,471.59 = 125,904.44/x
  3. Step 3: Cross multiply
    227,879.30x = 314,471.59 × 125,904.44
  4. Step 4: Simplify right side
    227,879.30x = 39,593,367,547.74
  5. Step 5: Solve for x
    x = 39,593,367,547.74/227,879.30
  6. Step 6: Final answer
    x = 173,747.10

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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.