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Finding the Fourth Proportional to 219,027.60, 328,552.20 and 114,051.60

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Solution

The fourth proportional to 219,027.60, 328,552.20 and 114,051.60 is: 171,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,027.60 : 328,552.20 = 114,051.60 : x
  2. Step 2: Convert to fraction form
    219,027.60/328,552.20 = 114,051.60/x
  3. Step 3: Cross multiply
    219,027.60x = 328,552.20 × 114,051.60
  4. Step 4: Simplify right side
    219,027.60x = 37,471,904,093.52
  5. Step 5: Solve for x
    x = 37,471,904,093.52/219,027.60
  6. Step 6: Final answer
    x = 171,083.02

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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.