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Finding the Fourth Proportional to 361,765.54, 499,228.63 and 208,791.73

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Solution

The fourth proportional to 361,765.54, 499,228.63 and 208,791.73 is: 288,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,765.54 : 499,228.63 = 208,791.73 : x
  2. Step 2: Convert to fraction form
    361,765.54/499,228.63 = 208,791.73/x
  3. Step 3: Cross multiply
    361,765.54x = 499,228.63 × 208,791.73
  4. Step 4: Simplify right side
    361,765.54x = 104,234,809,323.23
  5. Step 5: Solve for x
    x = 104,234,809,323.23/361,765.54
  6. Step 6: Final answer
    x = 288,128.08

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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.