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Finding the Fourth Proportional to 178,291.98, 267,479.37 and 51,935.22

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Solution

The fourth proportional to 178,291.98, 267,479.37 and 51,935.22 is: 77,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,291.98 : 267,479.37 = 51,935.22 : x
  2. Step 2: Convert to fraction form
    178,291.98/267,479.37 = 51,935.22/x
  3. Step 3: Cross multiply
    178,291.98x = 267,479.37 × 51,935.22
  4. Step 4: Simplify right side
    178,291.98x = 13,891,599,926.41
  5. Step 5: Solve for x
    x = 13,891,599,926.41/178,291.98
  6. Step 6: Final answer
    x = 77,914.89

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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.