Home / 444,056.15-665,983.76-203,939.21

Finding the Fourth Proportional to 444,056.15, 665,983.76 and 203,939.21

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Solution

The fourth proportional to 444,056.15, 665,983.76 and 203,939.21 is: 305,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,056.15 : 665,983.76 = 203,939.21 : x
  2. Step 2: Convert to fraction form
    444,056.15/665,983.76 = 203,939.21/x
  3. Step 3: Cross multiply
    444,056.15x = 665,983.76 × 203,939.21
  4. Step 4: Simplify right side
    444,056.15x = 135,820,197,537.62
  5. Step 5: Solve for x
    x = 135,820,197,537.62/444,056.15
  6. Step 6: Final answer
    x = 305,862.67

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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.