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Finding the Fourth Proportional to 227,816.55, 314,380.44 and 125,840.12

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Solution

The fourth proportional to 227,816.55, 314,380.44 and 125,840.12 is: 173,655.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,816.55 : 314,380.44 = 125,840.12 : x
  2. Step 2: Convert to fraction form
    227,816.55/314,380.44 = 125,840.12/x
  3. Step 3: Cross multiply
    227,816.55x = 314,380.44 × 125,840.12
  4. Step 4: Simplify right side
    227,816.55x = 39,561,670,723.35
  5. Step 5: Solve for x
    x = 39,561,670,723.35/227,816.55
  6. Step 6: Final answer
    x = 173,655.82

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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.