Home / 203,429.27-305,109.07-53,671.10

Finding the Fourth Proportional to 203,429.27, 305,109.07 and 53,671.10

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Solution

The fourth proportional to 203,429.27, 305,109.07 and 53,671.10 is: 80,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,429.27 : 305,109.07 = 53,671.10 : x
  2. Step 2: Convert to fraction form
    203,429.27/305,109.07 = 53,671.10/x
  3. Step 3: Cross multiply
    203,429.27x = 305,109.07 × 53,671.10
  4. Step 4: Simplify right side
    203,429.27x = 16,375,539,406.88
  5. Step 5: Solve for x
    x = 16,375,539,406.88/203,429.27
  6. Step 6: Final answer
    x = 80,497.46

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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.