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Finding the Fourth Proportional to 201,532.60, 302,493.30 and 101,805.40

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Solution

The fourth proportional to 201,532.60, 302,493.30 and 101,805.40 is: 152,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,532.60 : 302,493.30 = 101,805.40 : x
  2. Step 2: Convert to fraction form
    201,532.60/302,493.30 = 101,805.40/x
  3. Step 3: Cross multiply
    201,532.60x = 302,493.30 × 101,805.40
  4. Step 4: Simplify right side
    201,532.60x = 30,795,451,403.82
  5. Step 5: Solve for x
    x = 30,795,451,403.82/201,532.60
  6. Step 6: Final answer
    x = 152,806.30

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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.