Home / 443,436.14-665,129.57-206,944.89

Finding the Fourth Proportional to 443,436.14, 665,129.57 and 206,944.89

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Solution

The fourth proportional to 443,436.14, 665,129.57 and 206,944.89 is: 310,405.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,436.14 : 665,129.57 = 206,944.89 : x
  2. Step 2: Convert to fraction form
    443,436.14/665,129.57 = 206,944.89/x
  3. Step 3: Cross multiply
    443,436.14x = 665,129.57 × 206,944.89
  4. Step 4: Simplify right side
    443,436.14x = 137,645,164,664.67
  5. Step 5: Solve for x
    x = 137,645,164,664.67/443,436.14
  6. Step 6: Final answer
    x = 310,405.84

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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.