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Finding the Fourth Proportional to 227,963, 314,580.42 and 131,181.80

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Solution

The fourth proportional to 227,963, 314,580.42 and 131,181.80 is: 181,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,963 : 314,580.42 = 131,181.80 : x
  2. Step 2: Convert to fraction form
    227,963/314,580.42 = 131,181.80/x
  3. Step 3: Cross multiply
    227,963x = 314,580.42 × 131,181.80
  4. Step 4: Simplify right side
    227,963x = 41,267,225,740.36
  5. Step 5: Solve for x
    x = 41,267,225,740.36/227,963
  6. Step 6: Final answer
    x = 181,025.98

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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.