Home / 279,233.20-419,091.64-146,206.48

Finding the Fourth Proportional to 279,233.20, 419,091.64 and 146,206.48

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Solution

The fourth proportional to 279,233.20, 419,091.64 and 146,206.48 is: 219,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,233.20 : 419,091.64 = 146,206.48 : x
  2. Step 2: Convert to fraction form
    279,233.20/419,091.64 = 146,206.48/x
  3. Step 3: Cross multiply
    279,233.20x = 419,091.64 × 146,206.48
  4. Step 4: Simplify right side
    279,233.20x = 61,273,913,481.83
  5. Step 5: Solve for x
    x = 61,273,913,481.83/279,233.20
  6. Step 6: Final answer
    x = 219,436.35

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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.