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Finding the Fourth Proportional to 219,979.74, 303,570.27 and 119,377.74

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Solution

The fourth proportional to 219,979.74, 303,570.27 and 119,377.74 is: 164,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,979.74 : 303,570.27 = 119,377.74 : x
  2. Step 2: Convert to fraction form
    219,979.74/303,570.27 = 119,377.74/x
  3. Step 3: Cross multiply
    219,979.74x = 303,570.27 × 119,377.74
  4. Step 4: Simplify right side
    219,979.74x = 36,239,532,763.79
  5. Step 5: Solve for x
    x = 36,239,532,763.79/219,979.74
  6. Step 6: Final answer
    x = 164,740.32

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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.