Home / 263,296.83-363,348.83-142,438.09

Finding the Fourth Proportional to 263,296.83, 363,348.83 and 142,438.09

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Solution

The fourth proportional to 263,296.83, 363,348.83 and 142,438.09 is: 196,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,296.83 : 363,348.83 = 142,438.09 : x
  2. Step 2: Convert to fraction form
    263,296.83/363,348.83 = 142,438.09/x
  3. Step 3: Cross multiply
    263,296.83x = 363,348.83 × 142,438.09
  4. Step 4: Simplify right side
    263,296.83x = 51,754,713,348.93
  5. Step 5: Solve for x
    x = 51,754,713,348.93/263,296.83
  6. Step 6: Final answer
    x = 196,564.13

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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.