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Finding the Fourth Proportional to 201,217.20, 301,825.80 and 53,473.20

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Solution

The fourth proportional to 201,217.20, 301,825.80 and 53,473.20 is: 80,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,217.20 : 301,825.80 = 53,473.20 : x
  2. Step 2: Convert to fraction form
    201,217.20/301,825.80 = 53,473.20/x
  3. Step 3: Cross multiply
    201,217.20x = 301,825.80 × 53,473.20
  4. Step 4: Simplify right side
    201,217.20x = 16,139,591,368.56
  5. Step 5: Solve for x
    x = 16,139,591,368.56/201,217.20
  6. Step 6: Final answer
    x = 80,209.80

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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.