Home / 371,878.44-513,196.26-202,112.60

Finding the Fourth Proportional to 371,878.44, 513,196.26 and 202,112.60

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Solution

The fourth proportional to 371,878.44, 513,196.26 and 202,112.60 is: 278,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,878.44 : 513,196.26 = 202,112.60 : x
  2. Step 2: Convert to fraction form
    371,878.44/513,196.26 = 202,112.60/x
  3. Step 3: Cross multiply
    371,878.44x = 513,196.26 × 202,112.60
  4. Step 4: Simplify right side
    371,878.44x = 103,723,430,418.88
  5. Step 5: Solve for x
    x = 103,723,430,418.88/371,878.44
  6. Step 6: Final answer
    x = 278,917.57

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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.