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Finding the Fourth Proportional to 222,101.20, 333,151.80 and 128,846.80

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Solution

The fourth proportional to 222,101.20, 333,151.80 and 128,846.80 is: 193,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,101.20 : 333,151.80 = 128,846.80 : x
  2. Step 2: Convert to fraction form
    222,101.20/333,151.80 = 128,846.80/x
  3. Step 3: Cross multiply
    222,101.20x = 333,151.80 × 128,846.80
  4. Step 4: Simplify right side
    222,101.20x = 42,925,543,344.24
  5. Step 5: Solve for x
    x = 42,925,543,344.24/222,101.20
  6. Step 6: Final answer
    x = 193,270.20

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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.