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Finding the Fourth Proportional to 351,650.16, 485,267.13 and 206,453.52

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Solution

The fourth proportional to 351,650.16, 485,267.13 and 206,453.52 is: 284,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,650.16 : 485,267.13 = 206,453.52 : x
  2. Step 2: Convert to fraction form
    351,650.16/485,267.13 = 206,453.52/x
  3. Step 3: Cross multiply
    351,650.16x = 485,267.13 × 206,453.52
  4. Step 4: Simplify right side
    351,650.16x = 100,185,107,128.80
  5. Step 5: Solve for x
    x = 100,185,107,128.80/351,650.16
  6. Step 6: Final answer
    x = 284,899.93

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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.