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Finding the Fourth Proportional to 606,751.80, 910,054.80 and 251,728.80

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Solution

The fourth proportional to 606,751.80, 910,054.80 and 251,728.80 is: 377,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,751.80 : 910,054.80 = 251,728.80 : x
  2. Step 2: Convert to fraction form
    606,751.80/910,054.80 = 251,728.80/x
  3. Step 3: Cross multiply
    606,751.80x = 910,054.80 × 251,728.80
  4. Step 4: Simplify right side
    606,751.80x = 229,087,002,738.24
  5. Step 5: Solve for x
    x = 229,087,002,738.24/606,751.80
  6. Step 6: Final answer
    x = 377,562.96

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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.