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Finding the Fourth Proportional to 209,796, 314,743.83 and 69,554.64

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Solution

The fourth proportional to 209,796, 314,743.83 and 69,554.64 is: 104,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,796 : 314,743.83 = 69,554.64 : x
  2. Step 2: Convert to fraction form
    209,796/314,743.83 = 69,554.64/x
  3. Step 3: Cross multiply
    209,796x = 314,743.83 × 69,554.64
  4. Step 4: Simplify right side
    209,796x = 21,891,893,787.87
  5. Step 5: Solve for x
    x = 21,891,893,787.87/209,796
  6. Step 6: Final answer
    x = 104,348.48

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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.