Home / 231,500.20-347,388.36-103,406.44

Finding the Fourth Proportional to 231,500.20, 347,388.36 and 103,406.44

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Solution

The fourth proportional to 231,500.20, 347,388.36 and 103,406.44 is: 155,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,500.20 : 347,388.36 = 103,406.44 : x
  2. Step 2: Convert to fraction form
    231,500.20/347,388.36 = 103,406.44/x
  3. Step 3: Cross multiply
    231,500.20x = 347,388.36 × 103,406.44
  4. Step 4: Simplify right side
    231,500.20x = 35,922,193,605.04
  5. Step 5: Solve for x
    x = 35,922,193,605.04/231,500.20
  6. Step 6: Final answer
    x = 155,171.33

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1.5x scale

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.