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Finding the Fourth Proportional to 275,326.61, 379,242.78 and 194,615.37

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Solution

The fourth proportional to 275,326.61, 379,242.78 and 194,615.37 is: 268,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,326.61 : 379,242.78 = 194,615.37 : x
  2. Step 2: Convert to fraction form
    275,326.61/379,242.78 = 194,615.37/x
  3. Step 3: Cross multiply
    275,326.61x = 379,242.78 × 194,615.37
  4. Step 4: Simplify right side
    275,326.61x = 73,806,473,949.53
  5. Step 5: Solve for x
    x = 73,806,473,949.53/275,326.61
  6. Step 6: Final answer
    x = 268,068.80

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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.