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Finding the Fourth Proportional to 336,081.48, 504,355.04 and 133,656.84

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Solution

The fourth proportional to 336,081.48, 504,355.04 and 133,656.84 is: 200,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,081.48 : 504,355.04 = 133,656.84 : x
  2. Step 2: Convert to fraction form
    336,081.48/504,355.04 = 133,656.84/x
  3. Step 3: Cross multiply
    336,081.48x = 504,355.04 × 133,656.84
  4. Step 4: Simplify right side
    336,081.48x = 67,410,500,884.47
  5. Step 5: Solve for x
    x = 67,410,500,884.47/336,081.48
  6. Step 6: Final answer
    x = 200,577.85

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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.