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Finding the Fourth Proportional to 351,937.02, 485,558.91 and 198,960.42

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Solution

The fourth proportional to 351,937.02, 485,558.91 and 198,960.42 is: 274,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,937.02 : 485,558.91 = 198,960.42 : x
  2. Step 2: Convert to fraction form
    351,937.02/485,558.91 = 198,960.42/x
  3. Step 3: Cross multiply
    351,937.02x = 485,558.91 × 198,960.42
  4. Step 4: Simplify right side
    351,937.02x = 96,607,004,668.34
  5. Step 5: Solve for x
    x = 96,607,004,668.34/351,937.02
  6. Step 6: Final answer
    x = 274,500.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.