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Finding the Fourth Proportional to 361,960.27, 499,528.79 and 209,004.91

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Solution

The fourth proportional to 361,960.27, 499,528.79 and 209,004.91 is: 288,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,960.27 : 499,528.79 = 209,004.91 : x
  2. Step 2: Convert to fraction form
    361,960.27/499,528.79 = 209,004.91/x
  3. Step 3: Cross multiply
    361,960.27x = 499,528.79 × 209,004.91
  4. Step 4: Simplify right side
    361,960.27x = 104,403,969,796.36
  5. Step 5: Solve for x
    x = 104,403,969,796.36/361,960.27
  6. Step 6: Final answer
    x = 288,440.41

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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.