Home / 371,788.22-513,066.78-202,022.36

Finding the Fourth Proportional to 371,788.22, 513,066.78 and 202,022.36

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Solution

The fourth proportional to 371,788.22, 513,066.78 and 202,022.36 is: 278,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,788.22 : 513,066.78 = 202,022.36 : x
  2. Step 2: Convert to fraction form
    371,788.22/513,066.78 = 202,022.36/x
  3. Step 3: Cross multiply
    371,788.22x = 513,066.78 × 202,022.36
  4. Step 4: Simplify right side
    371,788.22x = 103,650,961,733.20
  5. Step 5: Solve for x
    x = 103,650,961,733.20/371,788.22
  6. Step 6: Final answer
    x = 278,790.33

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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.