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Finding the Fourth Proportional to 325,812.88, 488,940.72 and 176,099.04

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Solution

The fourth proportional to 325,812.88, 488,940.72 and 176,099.04 is: 264,268.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,812.88 : 488,940.72 = 176,099.04 : x
  2. Step 2: Convert to fraction form
    325,812.88/488,940.72 = 176,099.04/x
  3. Step 3: Cross multiply
    325,812.88x = 488,940.72 × 176,099.04
  4. Step 4: Simplify right side
    325,812.88x = 86,101,991,408.91
  5. Step 5: Solve for x
    x = 86,101,991,408.91/325,812.88
  6. Step 6: Final answer
    x = 264,268.22

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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.