Home / 240,439.78-331,816.67-133,007.96

Finding the Fourth Proportional to 240,439.78, 331,816.67 and 133,007.96

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Solution

The fourth proportional to 240,439.78, 331,816.67 and 133,007.96 is: 183,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,439.78 : 331,816.67 = 133,007.96 : x
  2. Step 2: Convert to fraction form
    240,439.78/331,816.67 = 133,007.96/x
  3. Step 3: Cross multiply
    240,439.78x = 331,816.67 × 133,007.96
  4. Step 4: Simplify right side
    240,439.78x = 44,134,258,370.69
  5. Step 5: Solve for x
    x = 44,134,258,370.69/240,439.78
  6. Step 6: Final answer
    x = 183,556.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.