Home / 371,395.17-512,531.51-201,629.25

Finding the Fourth Proportional to 371,395.17, 512,531.51 and 201,629.25

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Solution

The fourth proportional to 371,395.17, 512,531.51 and 201,629.25 is: 278,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,395.17 : 512,531.51 = 201,629.25 : x
  2. Step 2: Convert to fraction form
    371,395.17/512,531.51 = 201,629.25/x
  3. Step 3: Cross multiply
    371,395.17x = 512,531.51 × 201,629.25
  4. Step 4: Simplify right side
    371,395.17x = 103,341,342,954.52
  5. Step 5: Solve for x
    x = 103,341,342,954.52/371,395.17
  6. Step 6: Final answer
    x = 278,251.71

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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.