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Finding the Fourth Proportional to 149,997.60, 224,998.80 and 39,189.60

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Solution

The fourth proportional to 149,997.60, 224,998.80 and 39,189.60 is: 58,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,997.60 : 224,998.80 = 39,189.60 : x
  2. Step 2: Convert to fraction form
    149,997.60/224,998.80 = 39,189.60/x
  3. Step 3: Cross multiply
    149,997.60x = 224,998.80 × 39,189.60
  4. Step 4: Simplify right side
    149,997.60x = 8,817,612,972.48
  5. Step 5: Solve for x
    x = 8,817,612,972.48/149,997.60
  6. Step 6: Final answer
    x = 58,785.03

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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.