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Finding the Fourth Proportional to 505,610.77, 758,418.98 and 168,650.49

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Solution

The fourth proportional to 505,610.77, 758,418.98 and 168,650.49 is: 252,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,610.77 : 758,418.98 = 168,650.49 : x
  2. Step 2: Convert to fraction form
    505,610.77/758,418.98 = 168,650.49/x
  3. Step 3: Cross multiply
    505,610.77x = 758,418.98 × 168,650.49
  4. Step 4: Simplify right side
    505,610.77x = 127,907,732,602.30
  5. Step 5: Solve for x
    x = 127,907,732,602.30/505,610.77
  6. Step 6: Final answer
    x = 252,976.68

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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.