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Finding the Fourth Proportional to 222,041.80, 333,062.70 and 207,170.20

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Solution

The fourth proportional to 222,041.80, 333,062.70 and 207,170.20 is: 310,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,041.80 : 333,062.70 = 207,170.20 : x
  2. Step 2: Convert to fraction form
    222,041.80/333,062.70 = 207,170.20/x
  3. Step 3: Cross multiply
    222,041.80x = 333,062.70 × 207,170.20
  4. Step 4: Simplify right side
    222,041.80x = 69,000,666,171.54
  5. Step 5: Solve for x
    x = 69,000,666,171.54/222,041.80
  6. Step 6: Final answer
    x = 310,755.30

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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.