Home / 271,839.20-407,823.60-131,482.40

Finding the Fourth Proportional to 271,839.20, 407,823.60 and 131,482.40

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Solution

The fourth proportional to 271,839.20, 407,823.60 and 131,482.40 is: 197,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,839.20 : 407,823.60 = 131,482.40 : x
  2. Step 2: Convert to fraction form
    271,839.20/407,823.60 = 131,482.40/x
  3. Step 3: Cross multiply
    271,839.20x = 407,823.60 × 131,482.40
  4. Step 4: Simplify right side
    271,839.20x = 53,621,625,704.64
  5. Step 5: Solve for x
    x = 53,621,625,704.64/271,839.20
  6. Step 6: Final answer
    x = 197,254.94

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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.