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Finding the Fourth Proportional to 230,104.28, 345,015.47 and 89,698.88

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Solution

The fourth proportional to 230,104.28, 345,015.47 and 89,698.88 is: 134,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,104.28 : 345,015.47 = 89,698.88 : x
  2. Step 2: Convert to fraction form
    230,104.28/345,015.47 = 89,698.88/x
  3. Step 3: Cross multiply
    230,104.28x = 345,015.47 × 89,698.88
  4. Step 4: Simplify right side
    230,104.28x = 30,947,501,241.67
  5. Step 5: Solve for x
    x = 30,947,501,241.67/230,104.28
  6. Step 6: Final answer
    x = 134,493.38

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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.