Home / 239,816.82-359,760.76-79,840.50

Finding the Fourth Proportional to 239,816.82, 359,760.76 and 79,840.50

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Solution

The fourth proportional to 239,816.82, 359,760.76 and 79,840.50 is: 119,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,816.82 : 359,760.76 = 79,840.50 : x
  2. Step 2: Convert to fraction form
    239,816.82/359,760.76 = 79,840.50/x
  3. Step 3: Cross multiply
    239,816.82x = 359,760.76 × 79,840.50
  4. Step 4: Simplify right side
    239,816.82x = 28,723,478,958.78
  5. Step 5: Solve for x
    x = 28,723,478,958.78/239,816.82
  6. Step 6: Final answer
    x = 119,772.58

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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.