Home / 207,982.80-312,024.60-60,238.80

Finding the Fourth Proportional to 207,982.80, 312,024.60 and 60,238.80

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Solution

The fourth proportional to 207,982.80, 312,024.60 and 60,238.80 is: 90,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,982.80 : 312,024.60 = 60,238.80 : x
  2. Step 2: Convert to fraction form
    207,982.80/312,024.60 = 60,238.80/x
  3. Step 3: Cross multiply
    207,982.80x = 312,024.60 × 60,238.80
  4. Step 4: Simplify right side
    207,982.80x = 18,795,987,474.48
  5. Step 5: Solve for x
    x = 18,795,987,474.48/207,982.80
  6. Step 6: Final answer
    x = 90,372.80

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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.