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Finding the Fourth Proportional to 201,966.80, 302,950.20 and 108,654.80

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Solution

The fourth proportional to 201,966.80, 302,950.20 and 108,654.80 is: 162,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,966.80 : 302,950.20 = 108,654.80 : x
  2. Step 2: Convert to fraction form
    201,966.80/302,950.20 = 108,654.80/x
  3. Step 3: Cross multiply
    201,966.80x = 302,950.20 × 108,654.80
  4. Step 4: Simplify right side
    201,966.80x = 32,916,993,390.96
  5. Step 5: Solve for x
    x = 32,916,993,390.96/201,966.80
  6. Step 6: Final answer
    x = 162,982.20

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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.