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Finding the Fourth Proportional to 490,555.56, 735,516.72 and 234,249.48

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Solution

The fourth proportional to 490,555.56, 735,516.72 and 234,249.48 is: 351,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,555.56 : 735,516.72 = 234,249.48 : x
  2. Step 2: Convert to fraction form
    490,555.56/735,516.72 = 234,249.48/x
  3. Step 3: Cross multiply
    490,555.56x = 735,516.72 × 234,249.48
  4. Step 4: Simplify right side
    490,555.56x = 172,294,409,191.31
  5. Step 5: Solve for x
    x = 172,294,409,191.31/490,555.56
  6. Step 6: Final answer
    x = 351,223.03

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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.