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Finding the Fourth Proportional to 441,212.64, 608,879.52 and 240,008.64

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Solution

The fourth proportional to 441,212.64, 608,879.52 and 240,008.64 is: 331,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,212.64 : 608,879.52 = 240,008.64 : x
  2. Step 2: Convert to fraction form
    441,212.64/608,879.52 = 240,008.64/x
  3. Step 3: Cross multiply
    441,212.64x = 608,879.52 × 240,008.64
  4. Step 4: Simplify right side
    441,212.64x = 146,136,345,519.05
  5. Step 5: Solve for x
    x = 146,136,345,519.05/441,212.64
  6. Step 6: Final answer
    x = 331,215.23

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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.