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Finding the Fourth Proportional to 347,601, 479,689.38 and 188,625

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Solution

The fourth proportional to 347,601, 479,689.38 and 188,625 is: 260,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,601 : 479,689.38 = 188,625 : x
  2. Step 2: Convert to fraction form
    347,601/479,689.38 = 188,625/x
  3. Step 3: Cross multiply
    347,601x = 479,689.38 × 188,625
  4. Step 4: Simplify right side
    347,601x = 90,481,409,302.50
  5. Step 5: Solve for x
    x = 90,481,409,302.50/347,601
  6. Step 6: Final answer
    x = 260,302.50

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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.