Home / 379,273.37-568,993.13-142,616.05

Finding the Fourth Proportional to 379,273.37, 568,993.13 and 142,616.05

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Solution

The fourth proportional to 379,273.37, 568,993.13 and 142,616.05 is: 213,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,273.37 : 568,993.13 = 142,616.05 : x
  2. Step 2: Convert to fraction form
    379,273.37/568,993.13 = 142,616.05/x
  3. Step 3: Cross multiply
    379,273.37x = 568,993.13 × 142,616.05
  4. Step 4: Simplify right side
    379,273.37x = 81,147,552,677.74
  5. Step 5: Solve for x
    x = 81,147,552,677.74/379,273.37
  6. Step 6: Final answer
    x = 213,955.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.