Home / 230,116.73-345,194.79-70,228.64

Finding the Fourth Proportional to 230,116.73, 345,194.79 and 70,228.64

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Solution

The fourth proportional to 230,116.73, 345,194.79 and 70,228.64 is: 105,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,116.73 : 345,194.79 = 70,228.64 : x
  2. Step 2: Convert to fraction form
    230,116.73/345,194.79 = 70,228.64/x
  3. Step 3: Cross multiply
    230,116.73x = 345,194.79 × 70,228.64
  4. Step 4: Simplify right side
    230,116.73x = 24,242,558,910.81
  5. Step 5: Solve for x
    x = 24,242,558,910.81/230,116.73
  6. Step 6: Final answer
    x = 105,348.97

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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.