Home / 203,433.40-305,150.10-181,660.60

Finding the Fourth Proportional to 203,433.40, 305,150.10 and 181,660.60

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Solution

The fourth proportional to 203,433.40, 305,150.10 and 181,660.60 is: 272,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,433.40 : 305,150.10 = 181,660.60 : x
  2. Step 2: Convert to fraction form
    203,433.40/305,150.10 = 181,660.60/x
  3. Step 3: Cross multiply
    203,433.40x = 305,150.10 × 181,660.60
  4. Step 4: Simplify right side
    203,433.40x = 55,433,750,256.06
  5. Step 5: Solve for x
    x = 55,433,750,256.06/203,433.40
  6. Step 6: Final answer
    x = 272,490.90

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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.