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Finding the Fourth Proportional to 336,309.34, 504,465.84 and 99,654.06

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Solution

The fourth proportional to 336,309.34, 504,465.84 and 99,654.06 is: 149,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,309.34 : 504,465.84 = 99,654.06 : x
  2. Step 2: Convert to fraction form
    336,309.34/504,465.84 = 99,654.06/x
  3. Step 3: Cross multiply
    336,309.34x = 504,465.84 × 99,654.06
  4. Step 4: Simplify right side
    336,309.34x = 50,272,069,087.31
  5. Step 5: Solve for x
    x = 50,272,069,087.31/336,309.34
  6. Step 6: Final answer
    x = 149,481.63

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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.