Home / 851,131.19-1,276,883.60-252,139.23

Finding the Fourth Proportional to 851,131.19, 1,276,883.60 and 252,139.23

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Solution

The fourth proportional to 851,131.19, 1,276,883.60 and 252,139.23 is: 378,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,131.19 : 1,276,883.60 = 252,139.23 : x
  2. Step 2: Convert to fraction form
    851,131.19/1,276,883.60 = 252,139.23/x
  3. Step 3: Cross multiply
    851,131.19x = 1,276,883.60 × 252,139.23
  4. Step 4: Simplify right side
    851,131.19x = 321,952,446,442.93
  5. Step 5: Solve for x
    x = 321,952,446,442.93/851,131.19
  6. Step 6: Final answer
    x = 378,264.18

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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.