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Finding the Fourth Proportional to 361,832.80, 499,002.42 and 225,879.30

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Solution

The fourth proportional to 361,832.80, 499,002.42 and 225,879.30 is: 311,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,832.80 : 499,002.42 = 225,879.30 : x
  2. Step 2: Convert to fraction form
    361,832.80/499,002.42 = 225,879.30/x
  3. Step 3: Cross multiply
    361,832.80x = 499,002.42 × 225,879.30
  4. Step 4: Simplify right side
    361,832.80x = 112,714,317,327.91
  5. Step 5: Solve for x
    x = 112,714,317,327.91/361,832.80
  6. Step 6: Final answer
    x = 311,509.40

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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.