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Finding the Fourth Proportional to 537,979.80, 806,678.10 and 222,079.80

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Solution

The fourth proportional to 537,979.80, 806,678.10 and 222,079.80 is: 332,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,979.80 : 806,678.10 = 222,079.80 : x
  2. Step 2: Convert to fraction form
    537,979.80/806,678.10 = 222,079.80/x
  3. Step 3: Cross multiply
    537,979.80x = 806,678.10 × 222,079.80
  4. Step 4: Simplify right side
    537,979.80x = 179,146,911,112.38
  5. Step 5: Solve for x
    x = 179,146,911,112.38/537,979.80
  6. Step 6: Final answer
    x = 332,999.33

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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.