Home / 230,028.20-345,053.10-72,261.80

Finding the Fourth Proportional to 230,028.20, 345,053.10 and 72,261.80

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Solution

The fourth proportional to 230,028.20, 345,053.10 and 72,261.80 is: 108,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,028.20 : 345,053.10 = 72,261.80 : x
  2. Step 2: Convert to fraction form
    230,028.20/345,053.10 = 72,261.80/x
  3. Step 3: Cross multiply
    230,028.20x = 345,053.10 × 72,261.80
  4. Step 4: Simplify right side
    230,028.20x = 24,934,158,101.58
  5. Step 5: Solve for x
    x = 24,934,158,101.58/230,028.20
  6. Step 6: Final answer
    x = 108,396.09

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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.