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Finding the Fourth Proportional to 322,188.84, 483,578.51 and 172,598.04

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Solution

The fourth proportional to 322,188.84, 483,578.51 and 172,598.04 is: 259,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,188.84 : 483,578.51 = 172,598.04 : x
  2. Step 2: Convert to fraction form
    322,188.84/483,578.51 = 172,598.04/x
  3. Step 3: Cross multiply
    322,188.84x = 483,578.51 × 172,598.04
  4. Step 4: Simplify right side
    322,188.84x = 83,464,702,149.13
  5. Step 5: Solve for x
    x = 83,464,702,149.13/322,188.84
  6. Step 6: Final answer
    x = 259,055.22

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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.