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Finding the Fourth Proportional to 216,664.63, 325,110.28 and 88,675.92

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Solution

The fourth proportional to 216,664.63, 325,110.28 and 88,675.92 is: 133,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,664.63 : 325,110.28 = 88,675.92 : x
  2. Step 2: Convert to fraction form
    216,664.63/325,110.28 = 88,675.92/x
  3. Step 3: Cross multiply
    216,664.63x = 325,110.28 × 88,675.92
  4. Step 4: Simplify right side
    216,664.63x = 28,829,453,180.46
  5. Step 5: Solve for x
    x = 28,829,453,180.46/216,664.63
  6. Step 6: Final answer
    x = 133,060.27

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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.