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Finding the Fourth Proportional to 486,344.08, 671,143.60 and 271,504

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Solution

The fourth proportional to 486,344.08, 671,143.60 and 271,504 is: 374,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,344.08 : 671,143.60 = 271,504 : x
  2. Step 2: Convert to fraction form
    486,344.08/671,143.60 = 271,504/x
  3. Step 3: Cross multiply
    486,344.08x = 671,143.60 × 271,504
  4. Step 4: Simplify right side
    486,344.08x = 182,218,171,974.40
  5. Step 5: Solve for x
    x = 182,218,171,974.40/486,344.08
  6. Step 6: Final answer
    x = 374,669.25

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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.