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Finding the Fourth Proportional to 344,870.43, 475,916.61 and 193,967.43

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Solution

The fourth proportional to 344,870.43, 475,916.61 and 193,967.43 is: 267,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,870.43 : 475,916.61 = 193,967.43 : x
  2. Step 2: Convert to fraction form
    344,870.43/475,916.61 = 193,967.43/x
  3. Step 3: Cross multiply
    344,870.43x = 475,916.61 × 193,967.43
  4. Step 4: Simplify right side
    344,870.43x = 92,312,321,736.01
  5. Step 5: Solve for x
    x = 92,312,321,736.01/344,870.43
  6. Step 6: Final answer
    x = 267,672.48

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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.