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Finding the Fourth Proportional to 341,479.40, 512,219.10 and 235,191.20

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Solution

The fourth proportional to 341,479.40, 512,219.10 and 235,191.20 is: 352,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,479.40 : 512,219.10 = 235,191.20 : x
  2. Step 2: Convert to fraction form
    341,479.40/512,219.10 = 235,191.20/x
  3. Step 3: Cross multiply
    341,479.40x = 512,219.10 × 235,191.20
  4. Step 4: Simplify right side
    341,479.40x = 120,469,424,791.92
  5. Step 5: Solve for x
    x = 120,469,424,791.92/341,479.40
  6. Step 6: Final answer
    x = 352,786.80

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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.