Home / 230,021.64-345,046.24-72,250.09

Finding the Fourth Proportional to 230,021.64, 345,046.24 and 72,250.09

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Solution

The fourth proportional to 230,021.64, 345,046.24 and 72,250.09 is: 108,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,021.64 : 345,046.24 = 72,250.09 : x
  2. Step 2: Convert to fraction form
    230,021.64/345,046.24 = 72,250.09/x
  3. Step 3: Cross multiply
    230,021.64x = 345,046.24 × 72,250.09
  4. Step 4: Simplify right side
    230,021.64x = 24,929,621,894.16
  5. Step 5: Solve for x
    x = 24,929,621,894.16/230,021.64
  6. Step 6: Final answer
    x = 108,379.46

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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.