Home / 371,512.12-512,672.22-201,742.36

Finding the Fourth Proportional to 371,512.12, 512,672.22 and 201,742.36

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Solution

The fourth proportional to 371,512.12, 512,672.22 and 201,742.36 is: 278,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,512.12 : 512,672.22 = 201,742.36 : x
  2. Step 2: Convert to fraction form
    371,512.12/512,672.22 = 201,742.36/x
  3. Step 3: Cross multiply
    371,512.12x = 512,672.22 × 201,742.36
  4. Step 4: Simplify right side
    371,512.12x = 103,427,703,569.24
  5. Step 5: Solve for x
    x = 103,427,703,569.24/371,512.12
  6. Step 6: Final answer
    x = 278,396.58

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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.