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Finding the Fourth Proportional to 349,926.64, 525,121.62 and 192,265

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Solution

The fourth proportional to 349,926.64, 525,121.62 and 192,265 is: 288,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,926.64 : 525,121.62 = 192,265 : x
  2. Step 2: Convert to fraction form
    349,926.64/525,121.62 = 192,265/x
  3. Step 3: Cross multiply
    349,926.64x = 525,121.62 × 192,265
  4. Step 4: Simplify right side
    349,926.64x = 100,962,508,269.30
  5. Step 5: Solve for x
    x = 100,962,508,269.30/349,926.64
  6. Step 6: Final answer
    x = 288,524.78

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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.