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Finding the Fourth Proportional to 149,998.60, 225,000.30 and 39,190.60

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Solution

The fourth proportional to 149,998.60, 225,000.30 and 39,190.60 is: 58,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,998.60 : 225,000.30 = 39,190.60 : x
  2. Step 2: Convert to fraction form
    149,998.60/225,000.30 = 39,190.60/x
  3. Step 3: Cross multiply
    149,998.60x = 225,000.30 × 39,190.60
  4. Step 4: Simplify right side
    149,998.60x = 8,817,896,757.18
  5. Step 5: Solve for x
    x = 8,817,896,757.18/149,998.60
  6. Step 6: Final answer
    x = 58,786.53

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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.