Home / 851,098.85-1,276,645.94-252,106.71

Finding the Fourth Proportional to 851,098.85, 1,276,645.94 and 252,106.71

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Solution

The fourth proportional to 851,098.85, 1,276,645.94 and 252,106.71 is: 378,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,098.85 : 1,276,645.94 = 252,106.71 : x
  2. Step 2: Convert to fraction form
    851,098.85/1,276,645.94 = 252,106.71/x
  3. Step 3: Cross multiply
    851,098.85x = 1,276,645.94 × 252,106.71
  4. Step 4: Simplify right side
    851,098.85x = 321,851,008,398.52
  5. Step 5: Solve for x
    x = 321,851,008,398.52/851,098.85
  6. Step 6: Final answer
    x = 378,159.38

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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.