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Finding the Fourth Proportional to 493,908.79, 681,596.22 and 267,554.29

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Solution

The fourth proportional to 493,908.79, 681,596.22 and 267,554.29 is: 369,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,908.79 : 681,596.22 = 267,554.29 : x
  2. Step 2: Convert to fraction form
    493,908.79/681,596.22 = 267,554.29/x
  3. Step 3: Cross multiply
    493,908.79x = 681,596.22 × 267,554.29
  4. Step 4: Simplify right side
    493,908.79x = 182,363,992,708.78
  5. Step 5: Solve for x
    x = 182,363,992,708.78/493,908.79
  6. Step 6: Final answer
    x = 369,226.05

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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.