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Finding the Fourth Proportional to 336,204.36, 504,380.34 and 99,565.56

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Solution

The fourth proportional to 336,204.36, 504,380.34 and 99,565.56 is: 149,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,204.36 : 504,380.34 = 99,565.56 : x
  2. Step 2: Convert to fraction form
    336,204.36/504,380.34 = 99,565.56/x
  3. Step 3: Cross multiply
    336,204.36x = 504,380.34 × 99,565.56
  4. Step 4: Simplify right side
    336,204.36x = 50,218,911,005.09
  5. Step 5: Solve for x
    x = 50,218,911,005.09/336,204.36
  6. Step 6: Final answer
    x = 149,370.20

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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.