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Finding the Fourth Proportional to 219,325.19, 328,239.24 and 183,826.61

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Solution

The fourth proportional to 219,325.19, 328,239.24 and 183,826.61 is: 275,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,325.19 : 328,239.24 = 183,826.61 : x
  2. Step 2: Convert to fraction form
    219,325.19/328,239.24 = 183,826.61/x
  3. Step 3: Cross multiply
    219,325.19x = 328,239.24 × 183,826.61
  4. Step 4: Simplify right side
    219,325.19x = 60,339,107,504.87
  5. Step 5: Solve for x
    x = 60,339,107,504.87/219,325.19
  6. Step 6: Final answer
    x = 275,112.52

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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.