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Finding the Fourth Proportional to 227,812.35, 314,379.79 and 125,844.83

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Solution

The fourth proportional to 227,812.35, 314,379.79 and 125,844.83 is: 173,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,812.35 : 314,379.79 = 125,844.83 : x
  2. Step 2: Convert to fraction form
    227,812.35/314,379.79 = 125,844.83/x
  3. Step 3: Cross multiply
    227,812.35x = 314,379.79 × 125,844.83
  4. Step 4: Simplify right side
    227,812.35x = 39,563,071,227.99
  5. Step 5: Solve for x
    x = 39,563,071,227.99/227,812.35
  6. Step 6: Final answer
    x = 173,665.17

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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.