Home / 408,145.04-563,520.48-255,249.44

Finding the Fourth Proportional to 408,145.04, 563,520.48 and 255,249.44

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Solution

The fourth proportional to 408,145.04, 563,520.48 and 255,249.44 is: 352,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,145.04 : 563,520.48 = 255,249.44 : x
  2. Step 2: Convert to fraction form
    408,145.04/563,520.48 = 255,249.44/x
  3. Step 3: Cross multiply
    408,145.04x = 563,520.48 × 255,249.44
  4. Step 4: Simplify right side
    408,145.04x = 143,838,286,948.53
  5. Step 5: Solve for x
    x = 143,838,286,948.53/408,145.04
  6. Step 6: Final answer
    x = 352,419.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.