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Finding the Fourth Proportional to 219,027.70, 328,650.90 and 124,330.60

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Solution

The fourth proportional to 219,027.70, 328,650.90 and 124,330.60 is: 186,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027.70 : 328,650.90 = 124,330.60 : x
  2. Step 2: Convert to fraction form
    219,027.70/328,650.90 = 124,330.60/x
  3. Step 3: Cross multiply
    219,027.70x = 328,650.90 × 124,330.60
  4. Step 4: Simplify right side
    219,027.70x = 40,861,363,587.54
  5. Step 5: Solve for x
    x = 40,861,363,587.54/219,027.70
  6. Step 6: Final answer
    x = 186,557.97

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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.