Home / 372,942.76-514,659.78-203,176.36

Finding the Fourth Proportional to 372,942.76, 514,659.78 and 203,176.36

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Solution

The fourth proportional to 372,942.76, 514,659.78 and 203,176.36 is: 280,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,942.76 : 514,659.78 = 203,176.36 : x
  2. Step 2: Convert to fraction form
    372,942.76/514,659.78 = 203,176.36/x
  3. Step 3: Cross multiply
    372,942.76x = 514,659.78 × 203,176.36
  4. Step 4: Simplify right side
    372,942.76x = 104,566,700,738.80
  5. Step 5: Solve for x
    x = 104,566,700,738.80/372,942.76
  6. Step 6: Final answer
    x = 280,382.71

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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.