Home / 371,936.94-513,273.72-202,170.66

Finding the Fourth Proportional to 371,936.94, 513,273.72 and 202,170.66

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Solution

The fourth proportional to 371,936.94, 513,273.72 and 202,170.66 is: 278,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,936.94 : 513,273.72 = 202,170.66 : x
  2. Step 2: Convert to fraction form
    371,936.94/513,273.72 = 202,170.66/x
  3. Step 3: Cross multiply
    371,936.94x = 513,273.72 × 202,170.66
  4. Step 4: Simplify right side
    371,936.94x = 103,768,886,733.06
  5. Step 5: Solve for x
    x = 103,768,886,733.06/371,936.94
  6. Step 6: Final answer
    x = 278,995.91

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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.