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Finding the Fourth Proportional to 206,869.82, 310,053.90 and 94,395.92

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Solution

The fourth proportional to 206,869.82, 310,053.90 and 94,395.92 is: 141,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,869.82 : 310,053.90 = 94,395.92 : x
  2. Step 2: Convert to fraction form
    206,869.82/310,053.90 = 94,395.92/x
  3. Step 3: Cross multiply
    206,869.82x = 310,053.90 × 94,395.92
  4. Step 4: Simplify right side
    206,869.82x = 29,267,823,140.09
  5. Step 5: Solve for x
    x = 29,267,823,140.09/206,869.82
  6. Step 6: Final answer
    x = 141,479.42

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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.