Home / 271,669.40-407,504.10-171,942.20

Finding the Fourth Proportional to 271,669.40, 407,504.10 and 171,942.20

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Solution

The fourth proportional to 271,669.40, 407,504.10 and 171,942.20 is: 257,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,669.40 : 407,504.10 = 171,942.20 : x
  2. Step 2: Convert to fraction form
    271,669.40/407,504.10 = 171,942.20/x
  3. Step 3: Cross multiply
    271,669.40x = 407,504.10 × 171,942.20
  4. Step 4: Simplify right side
    271,669.40x = 70,067,151,463.02
  5. Step 5: Solve for x
    x = 70,067,151,463.02/271,669.40
  6. Step 6: Final answer
    x = 257,913.30

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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.