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Finding the Fourth Proportional to 332,445.36, 498,372.24 and 122,034

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Solution

The fourth proportional to 332,445.36, 498,372.24 and 122,034 is: 182,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,445.36 : 498,372.24 = 122,034 : x
  2. Step 2: Convert to fraction form
    332,445.36/498,372.24 = 122,034/x
  3. Step 3: Cross multiply
    332,445.36x = 498,372.24 × 122,034
  4. Step 4: Simplify right side
    332,445.36x = 60,818,357,936.16
  5. Step 5: Solve for x
    x = 60,818,357,936.16/332,445.36
  6. Step 6: Final answer
    x = 182,942.42

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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.