Home / 443,329.76-611,558.61-271,331.07

Finding the Fourth Proportional to 443,329.76, 611,558.61 and 271,331.07

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Solution

The fourth proportional to 443,329.76, 611,558.61 and 271,331.07 is: 374,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,329.76 : 611,558.61 = 271,331.07 : x
  2. Step 2: Convert to fraction form
    443,329.76/611,558.61 = 271,331.07/x
  3. Step 3: Cross multiply
    443,329.76x = 611,558.61 × 271,331.07
  4. Step 4: Simplify right side
    443,329.76x = 165,934,848,708.18
  5. Step 5: Solve for x
    x = 165,934,848,708.18/443,329.76
  6. Step 6: Final answer
    x = 374,292.15

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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.