Home / 230,236.58-345,401.57-72,428.33

Finding the Fourth Proportional to 230,236.58, 345,401.57 and 72,428.33

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Solution

The fourth proportional to 230,236.58, 345,401.57 and 72,428.33 is: 108,657.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,236.58 : 345,401.57 = 72,428.33 : x
  2. Step 2: Convert to fraction form
    230,236.58/345,401.57 = 72,428.33/x
  3. Step 3: Cross multiply
    230,236.58x = 345,401.57 × 72,428.33
  4. Step 4: Simplify right side
    230,236.58x = 25,016,857,167.47
  5. Step 5: Solve for x
    x = 25,016,857,167.47/230,236.58
  6. Step 6: Final answer
    x = 108,657.18

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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.