Home / 288,218.00-396,860.38-261,184.66

Finding the Fourth Proportional to 288,218.00, 396,860.38 and 261,184.66

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Solution

The fourth proportional to 288,218.00, 396,860.38 and 261,184.66 is: 359,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,218.00 : 396,860.38 = 261,184.66 : x
  2. Step 2: Convert to fraction form
    288,218.00/396,860.38 = 261,184.66/x
  3. Step 3: Cross multiply
    288,218.00x = 396,860.38 × 261,184.66
  4. Step 4: Simplify right side
    288,218.00x = 103,653,841,772.66
  5. Step 5: Solve for x
    x = 103,653,841,772.66/288,218.00
  6. Step 6: Final answer
    x = 359,636.94

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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.