Home / 230,293.81-345,453.09-72,534.61

Finding the Fourth Proportional to 230,293.81, 345,453.09 and 72,534.61

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Solution

The fourth proportional to 230,293.81, 345,453.09 and 72,534.61 is: 108,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,293.81 : 345,453.09 = 72,534.61 : x
  2. Step 2: Convert to fraction form
    230,293.81/345,453.09 = 72,534.61/x
  3. Step 3: Cross multiply
    230,293.81x = 345,453.09 × 72,534.61
  4. Step 4: Simplify right side
    230,293.81x = 25,057,305,156.44
  5. Step 5: Solve for x
    x = 25,057,305,156.44/230,293.81
  6. Step 6: Final answer
    x = 108,805.81

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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.