Home / 263,287.94-363,335.49-142,427.43

Finding the Fourth Proportional to 263,287.94, 363,335.49 and 142,427.43

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Solution

The fourth proportional to 263,287.94, 363,335.49 and 142,427.43 is: 196,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,287.94 : 363,335.49 = 142,427.43 : x
  2. Step 2: Convert to fraction form
    263,287.94/363,335.49 = 142,427.43/x
  3. Step 3: Cross multiply
    263,287.94x = 363,335.49 × 142,427.43
  4. Step 4: Simplify right side
    263,287.94x = 51,748,940,068.49
  5. Step 5: Solve for x
    x = 51,748,940,068.49/263,287.94
  6. Step 6: Final answer
    x = 196,548.85

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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.