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Finding the Fourth Proportional to 155,652, 214,800.64 and 88,584

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Solution

The fourth proportional to 155,652, 214,800.64 and 88,584 is: 122,246.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,652 : 214,800.64 = 88,584 : x
  2. Step 2: Convert to fraction form
    155,652/214,800.64 = 88,584/x
  3. Step 3: Cross multiply
    155,652x = 214,800.64 × 88,584
  4. Step 4: Simplify right side
    155,652x = 19,027,899,893.76
  5. Step 5: Solve for x
    x = 19,027,899,893.76/155,652
  6. Step 6: Final answer
    x = 122,246.42

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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.