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Finding the Fourth Proportional to 185,311.50, 255,757.32 and 117,334.80

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Solution

The fourth proportional to 185,311.50, 255,757.32 and 117,334.80 is: 161,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,311.50 : 255,757.32 = 117,334.80 : x
  2. Step 2: Convert to fraction form
    185,311.50/255,757.32 = 117,334.80/x
  3. Step 3: Cross multiply
    185,311.50x = 255,757.32 × 117,334.80
  4. Step 4: Simplify right side
    185,311.50x = 30,009,233,990.74
  5. Step 5: Solve for x
    x = 30,009,233,990.74/185,311.50
  6. Step 6: Final answer
    x = 161,939.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.