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Finding the Fourth Proportional to 342,287.52, 512,930.04 and 192,819.12

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Solution

The fourth proportional to 342,287.52, 512,930.04 and 192,819.12 is: 288,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,287.52 : 512,930.04 = 192,819.12 : x
  2. Step 2: Convert to fraction form
    342,287.52/512,930.04 = 192,819.12/x
  3. Step 3: Cross multiply
    342,287.52x = 512,930.04 × 192,819.12
  4. Step 4: Simplify right side
    342,287.52x = 98,902,718,934.36
  5. Step 5: Solve for x
    x = 98,902,718,934.36/342,287.52
  6. Step 6: Final answer
    x = 288,946.32

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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.