Home / 371,868.26-513,175.38-202,103.60

Finding the Fourth Proportional to 371,868.26, 513,175.38 and 202,103.60

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Solution

The fourth proportional to 371,868.26, 513,175.38 and 202,103.60 is: 278,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,868.26 : 513,175.38 = 202,103.60 : x
  2. Step 2: Convert to fraction form
    371,868.26/513,175.38 = 202,103.60/x
  3. Step 3: Cross multiply
    371,868.26x = 513,175.38 × 202,103.60
  4. Step 4: Simplify right side
    371,868.26x = 103,714,591,729.37
  5. Step 5: Solve for x
    x = 103,714,591,729.37/371,868.26
  6. Step 6: Final answer
    x = 278,901.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.