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Finding the Fourth Proportional to 219,238.35, 302,574.45 and 182,379.45

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Solution

The fourth proportional to 219,238.35, 302,574.45 and 182,379.45 is: 251,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,238.35 : 302,574.45 = 182,379.45 : x
  2. Step 2: Convert to fraction form
    219,238.35/302,574.45 = 182,379.45/x
  3. Step 3: Cross multiply
    219,238.35x = 302,574.45 × 182,379.45
  4. Step 4: Simplify right side
    219,238.35x = 55,183,361,775.05
  5. Step 5: Solve for x
    x = 55,183,361,775.05/219,238.35
  6. Step 6: Final answer
    x = 251,704.88

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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.