Home / 226,288.97-312,244.07-130,777.22

Finding the Fourth Proportional to 226,288.97, 312,244.07 and 130,777.22

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Solution

The fourth proportional to 226,288.97, 312,244.07 and 130,777.22 is: 180,452.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,288.97 : 312,244.07 = 130,777.22 : x
  2. Step 2: Convert to fraction form
    226,288.97/312,244.07 = 130,777.22/x
  3. Step 3: Cross multiply
    226,288.97x = 312,244.07 × 130,777.22
  4. Step 4: Simplify right side
    226,288.97x = 40,834,410,782.20
  5. Step 5: Solve for x
    x = 40,834,410,782.20/226,288.97
  6. Step 6: Final answer
    x = 180,452.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.