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Finding the Fourth Proportional to 201,447.60, 302,404.20 and 108,135.60

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Solution

The fourth proportional to 201,447.60, 302,404.20 and 108,135.60 is: 162,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,447.60 : 302,404.20 = 108,135.60 : x
  2. Step 2: Convert to fraction form
    201,447.60/302,404.20 = 108,135.60/x
  3. Step 3: Cross multiply
    201,447.60x = 302,404.20 × 108,135.60
  4. Step 4: Simplify right side
    201,447.60x = 32,700,659,609.52
  5. Step 5: Solve for x
    x = 32,700,659,609.52/201,447.60
  6. Step 6: Final answer
    x = 162,328.37

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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.