Home / 447,551.30-671,096.10-131,967.20

Finding the Fourth Proportional to 447,551.30, 671,096.10 and 131,967.20

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Solution

The fourth proportional to 447,551.30, 671,096.10 and 131,967.20 is: 197,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,551.30 : 671,096.10 = 131,967.20 : x
  2. Step 2: Convert to fraction form
    447,551.30/671,096.10 = 131,967.20/x
  3. Step 3: Cross multiply
    447,551.30x = 671,096.10 × 131,967.20
  4. Step 4: Simplify right side
    447,551.30x = 88,562,673,247.92
  5. Step 5: Solve for x
    x = 88,562,673,247.92/447,551.30
  6. Step 6: Final answer
    x = 197,882.73

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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.