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Finding the Fourth Proportional to 505,550.88, 758,324.16 and 205,964.64

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Solution

The fourth proportional to 505,550.88, 758,324.16 and 205,964.64 is: 308,946.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,550.88 : 758,324.16 = 205,964.64 : x
  2. Step 2: Convert to fraction form
    505,550.88/758,324.16 = 205,964.64/x
  3. Step 3: Cross multiply
    505,550.88x = 758,324.16 × 205,964.64
  4. Step 4: Simplify right side
    505,550.88x = 156,187,962,617.70
  5. Step 5: Solve for x
    x = 156,187,962,617.70/505,550.88
  6. Step 6: Final answer
    x = 308,946.08

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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.