Home / 435,945.80-654,336.30-225,734.60

Finding the Fourth Proportional to 435,945.80, 654,336.30 and 225,734.60

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Solution

The fourth proportional to 435,945.80, 654,336.30 and 225,734.60 is: 338,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,945.80 : 654,336.30 = 225,734.60 : x
  2. Step 2: Convert to fraction form
    435,945.80/654,336.30 = 225,734.60/x
  3. Step 3: Cross multiply
    435,945.80x = 654,336.30 × 225,734.60
  4. Step 4: Simplify right side
    435,945.80x = 147,706,342,945.98
  5. Step 5: Solve for x
    x = 147,706,342,945.98/435,945.80
  6. Step 6: Final answer
    x = 338,818.14

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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.