Home / 309,982.56-465,022.44-132,490.50

Finding the Fourth Proportional to 309,982.56, 465,022.44 and 132,490.50

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Solution

The fourth proportional to 309,982.56, 465,022.44 and 132,490.50 is: 198,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,982.56 : 465,022.44 = 132,490.50 : x
  2. Step 2: Convert to fraction form
    309,982.56/465,022.44 = 132,490.50/x
  3. Step 3: Cross multiply
    309,982.56x = 465,022.44 × 132,490.50
  4. Step 4: Simplify right side
    309,982.56x = 61,611,055,586.82
  5. Step 5: Solve for x
    x = 61,611,055,586.82/309,982.56
  6. Step 6: Final answer
    x = 198,756.52

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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.