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Finding the Fourth Proportional to 222,001.81, 333,037.51 and 72,207

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Solution

The fourth proportional to 222,001.81, 333,037.51 and 72,207 is: 108,321.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,001.81 : 333,037.51 = 72,207 : x
  2. Step 2: Convert to fraction form
    222,001.81/333,037.51 = 72,207/x
  3. Step 3: Cross multiply
    222,001.81x = 333,037.51 × 72,207
  4. Step 4: Simplify right side
    222,001.81x = 24,047,639,304.05
  5. Step 5: Solve for x
    x = 24,047,639,304.05/222,001.81
  6. Step 6: Final answer
    x = 108,321.82

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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.