Home / 221,229.60-331,844.40-73,485.60

Finding the Fourth Proportional to 221,229.60, 331,844.40 and 73,485.60

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Solution

The fourth proportional to 221,229.60, 331,844.40 and 73,485.60 is: 110,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,229.60 : 331,844.40 = 73,485.60 : x
  2. Step 2: Convert to fraction form
    221,229.60/331,844.40 = 73,485.60/x
  3. Step 3: Cross multiply
    221,229.60x = 331,844.40 × 73,485.60
  4. Step 4: Simplify right side
    221,229.60x = 24,385,784,840.64
  5. Step 5: Solve for x
    x = 24,385,784,840.64/221,229.60
  6. Step 6: Final answer
    x = 110,228.40

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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.