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Finding the Fourth Proportional to 228,185.70, 314,908.11 and 131,404.02

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Solution

The fourth proportional to 228,185.70, 314,908.11 and 131,404.02 is: 181,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,185.70 : 314,908.11 = 131,404.02 : x
  2. Step 2: Convert to fraction form
    228,185.70/314,908.11 = 131,404.02/x
  3. Step 3: Cross multiply
    228,185.70x = 314,908.11 × 131,404.02
  4. Step 4: Simplify right side
    228,185.70x = 41,380,191,584.60
  5. Step 5: Solve for x
    x = 41,380,191,584.60/228,185.70
  6. Step 6: Final answer
    x = 181,344.37

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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.