Home / 356,519.52-491,982.84-213,194.16

Finding the Fourth Proportional to 356,519.52, 491,982.84 and 213,194.16

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Solution

The fourth proportional to 356,519.52, 491,982.84 and 213,194.16 is: 294,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,519.52 : 491,982.84 = 213,194.16 : x
  2. Step 2: Convert to fraction form
    356,519.52/491,982.84 = 213,194.16/x
  3. Step 3: Cross multiply
    356,519.52x = 491,982.84 × 213,194.16
  4. Step 4: Simplify right side
    356,519.52x = 104,887,868,308.21
  5. Step 5: Solve for x
    x = 104,887,868,308.21/356,519.52
  6. Step 6: Final answer
    x = 294,199.51

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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.