Home / 263,412.42-363,508.47-142,553.94

Finding the Fourth Proportional to 263,412.42, 363,508.47 and 142,553.94

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Solution

The fourth proportional to 263,412.42, 363,508.47 and 142,553.94 is: 196,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,412.42 : 363,508.47 = 142,553.94 : x
  2. Step 2: Convert to fraction form
    263,412.42/363,508.47 = 142,553.94/x
  3. Step 3: Cross multiply
    263,412.42x = 363,508.47 × 142,553.94
  4. Step 4: Simplify right side
    263,412.42x = 51,819,564,621.87
  5. Step 5: Solve for x
    x = 51,819,564,621.87/263,412.42
  6. Step 6: Final answer
    x = 196,724.07

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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.