Home / 386,029.24-532,749.87-222,715

Finding the Fourth Proportional to 386,029.24, 532,749.87 and 222,715

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Solution

The fourth proportional to 386,029.24, 532,749.87 and 222,715 is: 307,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,029.24 : 532,749.87 = 222,715 : x
  2. Step 2: Convert to fraction form
    386,029.24/532,749.87 = 222,715/x
  3. Step 3: Cross multiply
    386,029.24x = 532,749.87 × 222,715
  4. Step 4: Simplify right side
    386,029.24x = 118,651,387,297.05
  5. Step 5: Solve for x
    x = 118,651,387,297.05/386,029.24
  6. Step 6: Final answer
    x = 307,363.73

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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.