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Finding the Fourth Proportional to 363,022.97, 500,899.95 and 219,796.34

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Solution

The fourth proportional to 363,022.97, 500,899.95 and 219,796.34 is: 303,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,022.97 : 500,899.95 = 219,796.34 : x
  2. Step 2: Convert to fraction form
    363,022.97/500,899.95 = 219,796.34/x
  3. Step 3: Cross multiply
    363,022.97x = 500,899.95 × 219,796.34
  4. Step 4: Simplify right side
    363,022.97x = 110,095,973,211.68
  5. Step 5: Solve for x
    x = 110,095,973,211.68/363,022.97
  6. Step 6: Final answer
    x = 303,275.51

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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.