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Finding the Fourth Proportional to 100,200.60, 150,300.90 and 41,078.70

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Solution

The fourth proportional to 100,200.60, 150,300.90 and 41,078.70 is: 61,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,200.60 : 150,300.90 = 41,078.70 : x
  2. Step 2: Convert to fraction form
    100,200.60/150,300.90 = 41,078.70/x
  3. Step 3: Cross multiply
    100,200.60x = 150,300.90 × 41,078.70
  4. Step 4: Simplify right side
    100,200.60x = 6,174,165,580.83
  5. Step 5: Solve for x
    x = 6,174,165,580.83/100,200.60
  6. Step 6: Final answer
    x = 61,618.05

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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.