Home / 361,857.12-499,364.10-200,727.06

Finding the Fourth Proportional to 361,857.12, 499,364.10 and 200,727.06

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Solution

The fourth proportional to 361,857.12, 499,364.10 and 200,727.06 is: 277,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,857.12 : 499,364.10 = 200,727.06 : x
  2. Step 2: Convert to fraction form
    361,857.12/499,364.10 = 200,727.06/x
  3. Step 3: Cross multiply
    361,857.12x = 499,364.10 × 200,727.06
  4. Step 4: Simplify right side
    361,857.12x = 100,235,887,662.55
  5. Step 5: Solve for x
    x = 100,235,887,662.55/361,857.12
  6. Step 6: Final answer
    x = 277,004.05

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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.