Home / 271,808.20-407,777.10-131,451.40

Finding the Fourth Proportional to 271,808.20, 407,777.10 and 131,451.40

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Solution

The fourth proportional to 271,808.20, 407,777.10 and 131,451.40 is: 197,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,808.20 : 407,777.10 = 131,451.40 : x
  2. Step 2: Convert to fraction form
    271,808.20/407,777.10 = 131,451.40/x
  3. Step 3: Cross multiply
    271,808.20x = 407,777.10 × 131,451.40
  4. Step 4: Simplify right side
    271,808.20x = 53,602,870,682.94
  5. Step 5: Solve for x
    x = 53,602,870,682.94/271,808.20
  6. Step 6: Final answer
    x = 197,208.44

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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.