Home / 435,947.80-654,339.30-225,736.60

Finding the Fourth Proportional to 435,947.80, 654,339.30 and 225,736.60

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Solution

The fourth proportional to 435,947.80, 654,339.30 and 225,736.60 is: 338,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,947.80 : 654,339.30 = 225,736.60 : x
  2. Step 2: Convert to fraction form
    435,947.80/654,339.30 = 225,736.60/x
  3. Step 3: Cross multiply
    435,947.80x = 654,339.30 × 225,736.60
  4. Step 4: Simplify right side
    435,947.80x = 147,708,328,828.38
  5. Step 5: Solve for x
    x = 147,708,328,828.38/435,947.80
  6. Step 6: Final answer
    x = 338,821.14

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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.