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Finding the Fourth Proportional to 306,272.88, 459,338.85 and 116,754.75

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Solution

The fourth proportional to 306,272.88, 459,338.85 and 116,754.75 is: 175,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,272.88 : 459,338.85 = 116,754.75 : x
  2. Step 2: Convert to fraction form
    306,272.88/459,338.85 = 116,754.75/x
  3. Step 3: Cross multiply
    306,272.88x = 459,338.85 × 116,754.75
  4. Step 4: Simplify right side
    306,272.88x = 53,629,992,597.04
  5. Step 5: Solve for x
    x = 53,629,992,597.04/306,272.88
  6. Step 6: Final answer
    x = 175,105.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.