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Finding the Fourth Proportional to 222,734.80, 333,130.20 and 199,212.40

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Solution

The fourth proportional to 222,734.80, 333,130.20 and 199,212.40 is: 297,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,734.80 : 333,130.20 = 199,212.40 : x
  2. Step 2: Convert to fraction form
    222,734.80/333,130.20 = 199,212.40/x
  3. Step 3: Cross multiply
    222,734.80x = 333,130.20 × 199,212.40
  4. Step 4: Simplify right side
    222,734.80x = 66,363,666,654.48
  5. Step 5: Solve for x
    x = 66,363,666,654.48/222,734.80
  6. Step 6: Final answer
    x = 297,949.25

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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.