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Finding the Fourth Proportional to 275,167.34, 379,570.08 and 173,031.10

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Solution

The fourth proportional to 275,167.34, 379,570.08 and 173,031.10 is: 238,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,167.34 : 379,570.08 = 173,031.10 : x
  2. Step 2: Convert to fraction form
    275,167.34/379,570.08 = 173,031.10/x
  3. Step 3: Cross multiply
    275,167.34x = 379,570.08 × 173,031.10
  4. Step 4: Simplify right side
    275,167.34x = 65,677,428,844.56
  5. Step 5: Solve for x
    x = 65,677,428,844.56/275,167.34
  6. Step 6: Final answer
    x = 238,681.77

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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.