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Finding the Fourth Proportional to 201,695.10, 302,542.65 and 53,951.10

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Solution

The fourth proportional to 201,695.10, 302,542.65 and 53,951.10 is: 80,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,695.10 : 302,542.65 = 53,951.10 : x
  2. Step 2: Convert to fraction form
    201,695.10/302,542.65 = 53,951.10/x
  3. Step 3: Cross multiply
    201,695.10x = 302,542.65 × 53,951.10
  4. Step 4: Simplify right side
    201,695.10x = 16,322,508,764.42
  5. Step 5: Solve for x
    x = 16,322,508,764.42/201,695.10
  6. Step 6: Final answer
    x = 80,926.65

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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.