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Finding the Fourth Proportional to 222,101.61, 333,004.78 and 122,308.80

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Solution

The fourth proportional to 222,101.61, 333,004.78 and 122,308.80 is: 183,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,101.61 : 333,004.78 = 122,308.80 : x
  2. Step 2: Convert to fraction form
    222,101.61/333,004.78 = 122,308.80/x
  3. Step 3: Cross multiply
    222,101.61x = 333,004.78 × 122,308.80
  4. Step 4: Simplify right side
    222,101.61x = 40,729,415,036.06
  5. Step 5: Solve for x
    x = 40,729,415,036.06/222,101.61
  6. Step 6: Final answer
    x = 183,381.90

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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.