Home / 851,144.30-1,276,903.34-252,152.36

Finding the Fourth Proportional to 851,144.30, 1,276,903.34 and 252,152.36

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Solution

The fourth proportional to 851,144.30, 1,276,903.34 and 252,152.36 is: 378,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,144.30 : 1,276,903.34 = 252,152.36 : x
  2. Step 2: Convert to fraction form
    851,144.30/1,276,903.34 = 252,152.36/x
  3. Step 3: Cross multiply
    851,144.30x = 1,276,903.34 × 252,152.36
  4. Step 4: Simplify right side
    851,144.30x = 321,974,183,027.60
  5. Step 5: Solve for x
    x = 321,974,183,027.60/851,144.30
  6. Step 6: Final answer
    x = 378,283.90

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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.