Home / 271,847.20-407,835.60-131,490.40

Finding the Fourth Proportional to 271,847.20, 407,835.60 and 131,490.40

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Solution

The fourth proportional to 271,847.20, 407,835.60 and 131,490.40 is: 197,266.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,847.20 : 407,835.60 = 131,490.40 : x
  2. Step 2: Convert to fraction form
    271,847.20/407,835.60 = 131,490.40/x
  3. Step 3: Cross multiply
    271,847.20x = 407,835.60 × 131,490.40
  4. Step 4: Simplify right side
    271,847.20x = 53,626,466,178.24
  5. Step 5: Solve for x
    x = 53,626,466,178.24/271,847.20
  6. Step 6: Final answer
    x = 197,266.94

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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.