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Finding the Fourth Proportional to 222,722.80, 333,646.80 and 206,976.40

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Solution

The fourth proportional to 222,722.80, 333,646.80 and 206,976.40 is: 310,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,722.80 : 333,646.80 = 206,976.40 : x
  2. Step 2: Convert to fraction form
    222,722.80/333,646.80 = 206,976.40/x
  3. Step 3: Cross multiply
    222,722.80x = 333,646.80 × 206,976.40
  4. Step 4: Simplify right side
    222,722.80x = 69,057,013,535.52
  5. Step 5: Solve for x
    x = 69,057,013,535.52/222,722.80
  6. Step 6: Final answer
    x = 310,058.12

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1.5x scale

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.