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Finding the Fourth Proportional to 336,507.45, 504,764.34 and 99,850.17

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Solution

The fourth proportional to 336,507.45, 504,764.34 and 99,850.17 is: 149,776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,507.45 : 504,764.34 = 99,850.17 : x
  2. Step 2: Convert to fraction form
    336,507.45/504,764.34 = 99,850.17/x
  3. Step 3: Cross multiply
    336,507.45x = 504,764.34 × 99,850.17
  4. Step 4: Simplify right side
    336,507.45x = 50,400,805,158.94
  5. Step 5: Solve for x
    x = 50,400,805,158.94/336,507.45
  6. Step 6: Final answer
    x = 149,776.19

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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.