Home / 279,863.48-386,222.10-159,025.34

Finding the Fourth Proportional to 279,863.48, 386,222.10 and 159,025.34

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Solution

The fourth proportional to 279,863.48, 386,222.10 and 159,025.34 is: 219,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,863.48 : 386,222.10 = 159,025.34 : x
  2. Step 2: Convert to fraction form
    279,863.48/386,222.10 = 159,025.34/x
  3. Step 3: Cross multiply
    279,863.48x = 386,222.10 × 159,025.34
  4. Step 4: Simplify right side
    279,863.48x = 61,419,100,768.01
  5. Step 5: Solve for x
    x = 61,419,100,768.01/279,863.48
  6. Step 6: Final answer
    x = 219,460.93

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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.