Home / 371,975.73-513,326.82-202,209.86

Finding the Fourth Proportional to 371,975.73, 513,326.82 and 202,209.86

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Solution

The fourth proportional to 371,975.73, 513,326.82 and 202,209.86 is: 279,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,975.73 : 513,326.82 = 202,209.86 : x
  2. Step 2: Convert to fraction form
    371,975.73/513,326.82 = 202,209.86/x
  3. Step 3: Cross multiply
    371,975.73x = 513,326.82 × 202,209.86
  4. Step 4: Simplify right side
    371,975.73x = 103,799,741,839.81
  5. Step 5: Solve for x
    x = 103,799,741,839.81/371,975.73
  6. Step 6: Final answer
    x = 279,049.77

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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.