Home / 280,163.86-386,573.25-166,997.14

Finding the Fourth Proportional to 280,163.86, 386,573.25 and 166,997.14

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Solution

The fourth proportional to 280,163.86, 386,573.25 and 166,997.14 is: 230,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,163.86 : 386,573.25 = 166,997.14 : x
  2. Step 2: Convert to fraction form
    280,163.86/386,573.25 = 166,997.14/x
  3. Step 3: Cross multiply
    280,163.86x = 386,573.25 × 166,997.14
  4. Step 4: Simplify right side
    280,163.86x = 64,556,627,150.51
  5. Step 5: Solve for x
    x = 64,556,627,150.51/280,163.86
  6. Step 6: Final answer
    x = 230,424.53

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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.