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Finding the Fourth Proportional to 222,168.91, 333,288.05 and 72,374.40

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Solution

The fourth proportional to 222,168.91, 333,288.05 and 72,374.40 is: 108,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,168.91 : 333,288.05 = 72,374.40 : x
  2. Step 2: Convert to fraction form
    222,168.91/333,288.05 = 72,374.40/x
  3. Step 3: Cross multiply
    222,168.91x = 333,288.05 × 72,374.40
  4. Step 4: Simplify right side
    222,168.91x = 24,121,522,645.92
  5. Step 5: Solve for x
    x = 24,121,522,645.92/222,168.91
  6. Step 6: Final answer
    x = 108,572.90

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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.