Home / 374,927.38-517,399.78-205,161.50

Finding the Fourth Proportional to 374,927.38, 517,399.78 and 205,161.50

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Solution

The fourth proportional to 374,927.38, 517,399.78 and 205,161.50 is: 283,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,927.38 : 517,399.78 = 205,161.50 : x
  2. Step 2: Convert to fraction form
    374,927.38/517,399.78 = 205,161.50/x
  3. Step 3: Cross multiply
    374,927.38x = 517,399.78 × 205,161.50
  4. Step 4: Simplify right side
    374,927.38x = 106,150,514,964.47
  5. Step 5: Solve for x
    x = 106,150,514,964.47/374,927.38
  6. Step 6: Final answer
    x = 283,122.87

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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.