Home / 851,154.51-1,276,918.50-252,162.48

Finding the Fourth Proportional to 851,154.51, 1,276,918.50 and 252,162.48

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Solution

The fourth proportional to 851,154.51, 1,276,918.50 and 252,162.48 is: 378,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,154.51 : 1,276,918.50 = 252,162.48 : x
  2. Step 2: Convert to fraction form
    851,154.51/1,276,918.50 = 252,162.48/x
  3. Step 3: Cross multiply
    851,154.51x = 1,276,918.50 × 252,162.48
  4. Step 4: Simplify right side
    851,154.51x = 321,990,935,717.88
  5. Step 5: Solve for x
    x = 321,990,935,717.88/851,154.51
  6. Step 6: Final answer
    x = 378,299.04

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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.