Home / 219,948.60-329,145.30-201,286.20

Finding the Fourth Proportional to 219,948.60, 329,145.30 and 201,286.20

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Solution

The fourth proportional to 219,948.60, 329,145.30 and 201,286.20 is: 301,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,948.60 : 329,145.30 = 201,286.20 : x
  2. Step 2: Convert to fraction form
    219,948.60/329,145.30 = 201,286.20/x
  3. Step 3: Cross multiply
    219,948.60x = 329,145.30 × 201,286.20
  4. Step 4: Simplify right side
    219,948.60x = 66,252,406,684.86
  5. Step 5: Solve for x
    x = 66,252,406,684.86/219,948.60
  6. Step 6: Final answer
    x = 301,217.68

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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.