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Finding the Fourth Proportional to 222,612.86, 333,934.68 and 89,493.21

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Solution

The fourth proportional to 222,612.86, 333,934.68 and 89,493.21 is: 134,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,612.86 : 333,934.68 = 89,493.21 : x
  2. Step 2: Convert to fraction form
    222,612.86/333,934.68 = 89,493.21/x
  3. Step 3: Cross multiply
    222,612.86x = 333,934.68 × 89,493.21
  4. Step 4: Simplify right side
    222,612.86x = 29,884,886,443.52
  5. Step 5: Solve for x
    x = 29,884,886,443.52/222,612.86
  6. Step 6: Final answer
    x = 134,246.00

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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.