Home / 263,724.30-363,940.49-142,865.30

Finding the Fourth Proportional to 263,724.30, 363,940.49 and 142,865.30

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Solution

The fourth proportional to 263,724.30, 363,940.49 and 142,865.30 is: 197,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,724.30 : 363,940.49 = 142,865.30 : x
  2. Step 2: Convert to fraction form
    263,724.30/363,940.49 = 142,865.30/x
  3. Step 3: Cross multiply
    263,724.30x = 363,940.49 × 142,865.30
  4. Step 4: Simplify right side
    263,724.30x = 51,994,468,553.01
  5. Step 5: Solve for x
    x = 51,994,468,553.01/263,724.30
  6. Step 6: Final answer
    x = 197,154.64

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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.