Home / 851,275.14-1,276,917.32-252,241.49

Finding the Fourth Proportional to 851,275.14, 1,276,917.32 and 252,241.49

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Solution

The fourth proportional to 851,275.14, 1,276,917.32 and 252,241.49 is: 378,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,275.14 : 1,276,917.32 = 252,241.49 : x
  2. Step 2: Convert to fraction form
    851,275.14/1,276,917.32 = 252,241.49/x
  3. Step 3: Cross multiply
    851,275.14x = 1,276,917.32 × 252,241.49
  4. Step 4: Simplify right side
    851,275.14x = 322,091,531,226.50
  5. Step 5: Solve for x
    x = 322,091,531,226.50/851,275.14
  6. Step 6: Final answer
    x = 378,363.61

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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.