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Finding the Fourth Proportional to 371,326.77, 512,441.51 and 201,571.83

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Solution

The fourth proportional to 371,326.77, 512,441.51 and 201,571.83 is: 278,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,326.77 : 512,441.51 = 201,571.83 : x
  2. Step 2: Convert to fraction form
    371,326.77/512,441.51 = 201,571.83/x
  3. Step 3: Cross multiply
    371,326.77x = 512,441.51 × 201,571.83
  4. Step 4: Simplify right side
    371,326.77x = 103,293,771,930.80
  5. Step 5: Solve for x
    x = 103,293,771,930.80/371,326.77
  6. Step 6: Final answer
    x = 278,174.86

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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.