Home / 412,256.04-618,353.82-131,697.96

Finding the Fourth Proportional to 412,256.04, 618,353.82 and 131,697.96

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Solution

The fourth proportional to 412,256.04, 618,353.82 and 131,697.96 is: 197,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,256.04 : 618,353.82 = 131,697.96 : x
  2. Step 2: Convert to fraction form
    412,256.04/618,353.82 = 131,697.96/x
  3. Step 3: Cross multiply
    412,256.04x = 618,353.82 × 131,697.96
  4. Step 4: Simplify right side
    412,256.04x = 81,435,936,652.21
  5. Step 5: Solve for x
    x = 81,435,936,652.21/412,256.04
  6. Step 6: Final answer
    x = 197,537.28

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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.