Home / 851,145.30-1,276,904.84-252,153.36

Finding the Fourth Proportional to 851,145.30, 1,276,904.84 and 252,153.36

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Solution

The fourth proportional to 851,145.30, 1,276,904.84 and 252,153.36 is: 378,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,145.30 : 1,276,904.84 = 252,153.36 : x
  2. Step 2: Convert to fraction form
    851,145.30/1,276,904.84 = 252,153.36/x
  3. Step 3: Cross multiply
    851,145.30x = 1,276,904.84 × 252,153.36
  4. Step 4: Simplify right side
    851,145.30x = 321,975,845,806.26
  5. Step 5: Solve for x
    x = 321,975,845,806.26/851,145.30
  6. Step 6: Final answer
    x = 378,285.41

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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.