Home / 851,354.01-1,276,994.11-211,644.36

Finding the Fourth Proportional to 851,354.01, 1,276,994.11 and 211,644.36

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Solution

The fourth proportional to 851,354.01, 1,276,994.11 and 211,644.36 is: 317,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,354.01 : 1,276,994.11 = 211,644.36 : x
  2. Step 2: Convert to fraction form
    851,354.01/1,276,994.11 = 211,644.36/x
  3. Step 3: Cross multiply
    851,354.01x = 1,276,994.11 × 211,644.36
  4. Step 4: Simplify right side
    851,354.01x = 270,268,601,002.44
  5. Step 5: Solve for x
    x = 270,268,601,002.44/851,354.01
  6. Step 6: Final answer
    x = 317,457.37

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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.