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Finding the Fourth Proportional to 240,860.88, 361,214.76 and 225,136.32

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Solution

The fourth proportional to 240,860.88, 361,214.76 and 225,136.32 is: 337,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,860.88 : 361,214.76 = 225,136.32 : x
  2. Step 2: Convert to fraction form
    240,860.88/361,214.76 = 225,136.32/x
  3. Step 3: Cross multiply
    240,860.88x = 361,214.76 × 225,136.32
  4. Step 4: Simplify right side
    240,860.88x = 81,322,561,796.08
  5. Step 5: Solve for x
    x = 81,322,561,796.08/240,860.88
  6. Step 6: Final answer
    x = 337,632.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.