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Finding the Fourth Proportional to 200,217.60, 300,370.56 and 75,559.68

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Solution

The fourth proportional to 200,217.60, 300,370.56 and 75,559.68 is: 113,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,217.60 : 300,370.56 = 75,559.68 : x
  2. Step 2: Convert to fraction form
    200,217.60/300,370.56 = 75,559.68/x
  3. Step 3: Cross multiply
    200,217.60x = 300,370.56 × 75,559.68
  4. Step 4: Simplify right side
    200,217.60x = 22,695,903,395.02
  5. Step 5: Solve for x
    x = 22,695,903,395.02/200,217.60
  6. Step 6: Final answer
    x = 113,356.19

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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.