Home / 372,008.76-513,377.94-202,243.56

Finding the Fourth Proportional to 372,008.76, 513,377.94 and 202,243.56

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Solution

The fourth proportional to 372,008.76, 513,377.94 and 202,243.56 is: 279,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,008.76 : 513,377.94 = 202,243.56 : x
  2. Step 2: Convert to fraction form
    372,008.76/513,377.94 = 202,243.56/x
  3. Step 3: Cross multiply
    372,008.76x = 513,377.94 × 202,243.56
  4. Step 4: Simplify right side
    372,008.76x = 103,827,382,211.07
  5. Step 5: Solve for x
    x = 103,827,382,211.07/372,008.76
  6. Step 6: Final answer
    x = 279,099.29

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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.