Home / 371,326.26-512,429-201,559.16

Finding the Fourth Proportional to 371,326.26, 512,429 and 201,559.16

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Solution

The fourth proportional to 371,326.26, 512,429 and 201,559.16 is: 278,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,326.26 : 512,429 = 201,559.16 : x
  2. Step 2: Convert to fraction form
    371,326.26/512,429 = 201,559.16/x
  3. Step 3: Cross multiply
    371,326.26x = 512,429 × 201,559.16
  4. Step 4: Simplify right side
    371,326.26x = 103,284,758,799.64
  5. Step 5: Solve for x
    x = 103,284,758,799.64/371,326.26
  6. Step 6: Final answer
    x = 278,150.97

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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.