Home / 279,768.18-419,776.34-146,616.83

Finding the Fourth Proportional to 279,768.18, 419,776.34 and 146,616.83

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Solution

The fourth proportional to 279,768.18, 419,776.34 and 146,616.83 is: 219,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,768.18 : 419,776.34 = 146,616.83 : x
  2. Step 2: Convert to fraction form
    279,768.18/419,776.34 = 146,616.83/x
  3. Step 3: Cross multiply
    279,768.18x = 419,776.34 × 146,616.83
  4. Step 4: Simplify right side
    279,768.18x = 61,546,273,447.84
  5. Step 5: Solve for x
    x = 61,546,273,447.84/279,768.18
  6. Step 6: Final answer
    x = 219,990.26

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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.