Home / 271,830.20-407,810.10-131,473.40

Finding the Fourth Proportional to 271,830.20, 407,810.10 and 131,473.40

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Solution

The fourth proportional to 271,830.20, 407,810.10 and 131,473.40 is: 197,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,830.20 : 407,810.10 = 131,473.40 : x
  2. Step 2: Convert to fraction form
    271,830.20/407,810.10 = 131,473.40/x
  3. Step 3: Cross multiply
    271,830.20x = 407,810.10 × 131,473.40
  4. Step 4: Simplify right side
    271,830.20x = 53,616,180,401.34
  5. Step 5: Solve for x
    x = 53,616,180,401.34/271,830.20
  6. Step 6: Final answer
    x = 197,241.44

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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.