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Finding the Fourth Proportional to 222,371.76, 333,610.38 and 72,612.12

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Solution

The fourth proportional to 222,371.76, 333,610.38 and 72,612.12 is: 108,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,371.76 : 333,610.38 = 72,612.12 : x
  2. Step 2: Convert to fraction form
    222,371.76/333,610.38 = 72,612.12/x
  3. Step 3: Cross multiply
    222,371.76x = 333,610.38 × 72,612.12
  4. Step 4: Simplify right side
    222,371.76x = 24,224,156,945.81
  5. Step 5: Solve for x
    x = 24,224,156,945.81/222,371.76
  6. Step 6: Final answer
    x = 108,935.40

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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.