Home / 271,815.60-407,723.40-170,776.20

Finding the Fourth Proportional to 271,815.60, 407,723.40 and 170,776.20

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Solution

The fourth proportional to 271,815.60, 407,723.40 and 170,776.20 is: 256,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,815.60 : 407,723.40 = 170,776.20 : x
  2. Step 2: Convert to fraction form
    271,815.60/407,723.40 = 170,776.20/x
  3. Step 3: Cross multiply
    271,815.60x = 407,723.40 × 170,776.20
  4. Step 4: Simplify right side
    271,815.60x = 69,629,452,903.08
  5. Step 5: Solve for x
    x = 69,629,452,903.08/271,815.60
  6. Step 6: Final answer
    x = 256,164.30

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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.