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Finding the Fourth Proportional to 100,386.60, 150,593.80 and 33,845.77

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Solution

The fourth proportional to 100,386.60, 150,593.80 and 33,845.77 is: 50,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,386.60 : 150,593.80 = 33,845.77 : x
  2. Step 2: Convert to fraction form
    100,386.60/150,593.80 = 33,845.77/x
  3. Step 3: Cross multiply
    100,386.60x = 150,593.80 × 33,845.77
  4. Step 4: Simplify right side
    100,386.60x = 5,096,963,118.23
  5. Step 5: Solve for x
    x = 5,096,963,118.23/100,386.60
  6. Step 6: Final answer
    x = 50,773.34

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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.