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Finding the Fourth Proportional to 222,243.86, 333,418.85 and 72,484.31

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Solution

The fourth proportional to 222,243.86, 333,418.85 and 72,484.31 is: 108,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,243.86 : 333,418.85 = 72,484.31 : x
  2. Step 2: Convert to fraction form
    222,243.86/333,418.85 = 72,484.31/x
  3. Step 3: Cross multiply
    222,243.86x = 333,418.85 × 72,484.31
  4. Step 4: Simplify right side
    222,243.86x = 24,167,634,920.82
  5. Step 5: Solve for x
    x = 24,167,634,920.82/222,243.86
  6. Step 6: Final answer
    x = 108,743.77

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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.