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Finding the Fourth Proportional to 227,609.42, 314,101.01 and 125,634.90

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Solution

The fourth proportional to 227,609.42, 314,101.01 and 125,634.90 is: 173,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,609.42 : 314,101.01 = 125,634.90 : x
  2. Step 2: Convert to fraction form
    227,609.42/314,101.01 = 125,634.90/x
  3. Step 3: Cross multiply
    227,609.42x = 314,101.01 × 125,634.90
  4. Step 4: Simplify right side
    227,609.42x = 39,462,049,295.34
  5. Step 5: Solve for x
    x = 39,462,049,295.34/227,609.42
  6. Step 6: Final answer
    x = 173,376.17

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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.