Home / 447,028.56-670,636.80-131,459.04

Finding the Fourth Proportional to 447,028.56, 670,636.80 and 131,459.04

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Solution

The fourth proportional to 447,028.56, 670,636.80 and 131,459.04 is: 197,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,028.56 : 670,636.80 = 131,459.04 : x
  2. Step 2: Convert to fraction form
    447,028.56/670,636.80 = 131,459.04/x
  3. Step 3: Cross multiply
    447,028.56x = 670,636.80 × 131,459.04
  4. Step 4: Simplify right side
    447,028.56x = 88,161,269,916.67
  5. Step 5: Solve for x
    x = 88,161,269,916.67/447,028.56
  6. Step 6: Final answer
    x = 197,216.19

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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.