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Finding the Fourth Proportional to 271,900.80, 407,452.80 and 243,820.80

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Solution

The fourth proportional to 271,900.80, 407,452.80 and 243,820.80 is: 365,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,900.80 : 407,452.80 = 243,820.80 : x
  2. Step 2: Convert to fraction form
    271,900.80/407,452.80 = 243,820.80/x
  3. Step 3: Cross multiply
    271,900.80x = 407,452.80 × 243,820.80
  4. Step 4: Simplify right side
    271,900.80x = 99,345,467,658.24
  5. Step 5: Solve for x
    x = 99,345,467,658.24/271,900.80
  6. Step 6: Final answer
    x = 365,373.94

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1.5x scale

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.