Home / 279,257.50-419,148.69-146,233.22

Finding the Fourth Proportional to 279,257.50, 419,148.69 and 146,233.22

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Solution

The fourth proportional to 279,257.50, 419,148.69 and 146,233.22 is: 219,487.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,257.50 : 419,148.69 = 146,233.22 : x
  2. Step 2: Convert to fraction form
    279,257.50/419,148.69 = 146,233.22/x
  3. Step 3: Cross multiply
    279,257.50x = 419,148.69 × 146,233.22
  4. Step 4: Simplify right side
    279,257.50x = 61,293,463,695.57
  5. Step 5: Solve for x
    x = 61,293,463,695.57/279,257.50
  6. Step 6: Final answer
    x = 219,487.26

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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.