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Finding the Fourth Proportional to 371,302.29, 512,383.44 and 201,532.77

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Solution

The fourth proportional to 371,302.29, 512,383.44 and 201,532.77 is: 278,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,302.29 : 512,383.44 = 201,532.77 : x
  2. Step 2: Convert to fraction form
    371,302.29/512,383.44 = 201,532.77/x
  3. Step 3: Cross multiply
    371,302.29x = 512,383.44 × 201,532.77
  4. Step 4: Simplify right side
    371,302.29x = 103,262,053,965.33
  5. Step 5: Solve for x
    x = 103,262,053,965.33/371,302.29
  6. Step 6: Final answer
    x = 278,107.78

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1.5x scale

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.