Home / 239,664.45-330,856.78-149,049.60

Finding the Fourth Proportional to 239,664.45, 330,856.78 and 149,049.60

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Solution

The fourth proportional to 239,664.45, 330,856.78 and 149,049.60 is: 205,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,664.45 : 330,856.78 = 149,049.60 : x
  2. Step 2: Convert to fraction form
    239,664.45/330,856.78 = 149,049.60/x
  3. Step 3: Cross multiply
    239,664.45x = 330,856.78 × 149,049.60
  4. Step 4: Simplify right side
    239,664.45x = 49,314,070,716.29
  5. Step 5: Solve for x
    x = 49,314,070,716.29/239,664.45
  6. Step 6: Final answer
    x = 205,762.98

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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.