Home / 435,942.80-654,331.80-225,731.60

Finding the Fourth Proportional to 435,942.80, 654,331.80 and 225,731.60

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Solution

The fourth proportional to 435,942.80, 654,331.80 and 225,731.60 is: 338,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,942.80 : 654,331.80 = 225,731.60 : x
  2. Step 2: Convert to fraction form
    435,942.80/654,331.80 = 225,731.60/x
  3. Step 3: Cross multiply
    435,942.80x = 654,331.80 × 225,731.60
  4. Step 4: Simplify right side
    435,942.80x = 147,703,364,144.88
  5. Step 5: Solve for x
    x = 147,703,364,144.88/435,942.80
  6. Step 6: Final answer
    x = 338,813.63

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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.