Home / 271,002.02-406,356.42-215,201.12

Finding the Fourth Proportional to 271,002.02, 406,356.42 and 215,201.12

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Solution

The fourth proportional to 271,002.02, 406,356.42 and 215,201.12 is: 322,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,002.02 : 406,356.42 = 215,201.12 : x
  2. Step 2: Convert to fraction form
    271,002.02/406,356.42 = 215,201.12/x
  3. Step 3: Cross multiply
    271,002.02x = 406,356.42 × 215,201.12
  4. Step 4: Simplify right side
    271,002.02x = 87,448,356,703.19
  5. Step 5: Solve for x
    x = 87,448,356,703.19/271,002.02
  6. Step 6: Final answer
    x = 322,685.26

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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.