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Finding the Fourth Proportional to 201,446.80, 302,403.60 and 108,134.80

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Solution

The fourth proportional to 201,446.80, 302,403.60 and 108,134.80 is: 162,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,446.80 : 302,403.60 = 108,134.80 : x
  2. Step 2: Convert to fraction form
    201,446.80/302,403.60 = 108,134.80/x
  3. Step 3: Cross multiply
    201,446.80x = 302,403.60 × 108,134.80
  4. Step 4: Simplify right side
    201,446.80x = 32,700,352,805.28
  5. Step 5: Solve for x
    x = 32,700,352,805.28/201,446.80
  6. Step 6: Final answer
    x = 162,327.49

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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.