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Finding the Fourth Proportional to 100,217.52, 150,358.68 and 33,688.08

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Solution

The fourth proportional to 100,217.52, 150,358.68 and 33,688.08 is: 50,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,217.52 : 150,358.68 = 33,688.08 : x
  2. Step 2: Convert to fraction form
    100,217.52/150,358.68 = 33,688.08/x
  3. Step 3: Cross multiply
    100,217.52x = 150,358.68 × 33,688.08
  4. Step 4: Simplify right side
    100,217.52x = 5,065,295,240.53
  5. Step 5: Solve for x
    x = 5,065,295,240.53/100,217.52
  6. Step 6: Final answer
    x = 50,543.01

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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.