Home / 406,946.40-561,517.60-271,183.04

Finding the Fourth Proportional to 406,946.40, 561,517.60 and 271,183.04

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Solution

The fourth proportional to 406,946.40, 561,517.60 and 271,183.04 is: 374,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,946.40 : 561,517.60 = 271,183.04 : x
  2. Step 2: Convert to fraction form
    406,946.40/561,517.60 = 271,183.04/x
  3. Step 3: Cross multiply
    406,946.40x = 561,517.60 × 271,183.04
  4. Step 4: Simplify right side
    406,946.40x = 152,274,049,781.50
  5. Step 5: Solve for x
    x = 152,274,049,781.50/406,946.40
  6. Step 6: Final answer
    x = 374,186.99

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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.