Home / 239,664.59-330,856.98-149,049.74

Finding the Fourth Proportional to 239,664.59, 330,856.98 and 149,049.74

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Solution

The fourth proportional to 239,664.59, 330,856.98 and 149,049.74 is: 205,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,664.59 : 330,856.98 = 149,049.74 : x
  2. Step 2: Convert to fraction form
    239,664.59/330,856.98 = 149,049.74/x
  3. Step 3: Cross multiply
    239,664.59x = 330,856.98 × 149,049.74
  4. Step 4: Simplify right side
    239,664.59x = 49,314,146,100.94
  5. Step 5: Solve for x
    x = 49,314,146,100.94/239,664.59
  6. Step 6: Final answer
    x = 205,763.18

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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.