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Finding the Fourth Proportional to 219,674.86, 303,158.48 and 121,559.23

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Solution

The fourth proportional to 219,674.86, 303,158.48 and 121,559.23 is: 167,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,674.86 : 303,158.48 = 121,559.23 : x
  2. Step 2: Convert to fraction form
    219,674.86/303,158.48 = 121,559.23/x
  3. Step 3: Cross multiply
    219,674.86x = 303,158.48 × 121,559.23
  4. Step 4: Simplify right side
    219,674.86x = 36,851,711,396.77
  5. Step 5: Solve for x
    x = 36,851,711,396.77/219,674.86
  6. Step 6: Final answer
    x = 167,755.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.