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Finding the Fourth Proportional to 239,301.66, 330,220.67 and 131,871.67

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Solution

The fourth proportional to 239,301.66, 330,220.67 and 131,871.67 is: 181,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,301.66 : 330,220.67 = 131,871.67 : x
  2. Step 2: Convert to fraction form
    239,301.66/330,220.67 = 131,871.67/x
  3. Step 3: Cross multiply
    239,301.66x = 330,220.67 × 131,871.67
  4. Step 4: Simplify right side
    239,301.66x = 43,546,750,725.55
  5. Step 5: Solve for x
    x = 43,546,750,725.55/239,301.66
  6. Step 6: Final answer
    x = 181,974.29

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1.5x scale

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.