Home / 226,297.72-312,256.14-130,785.97

Finding the Fourth Proportional to 226,297.72, 312,256.14 and 130,785.97

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Solution

The fourth proportional to 226,297.72, 312,256.14 and 130,785.97 is: 180,464.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,297.72 : 312,256.14 = 130,785.97 : x
  2. Step 2: Convert to fraction form
    226,297.72/312,256.14 = 130,785.97/x
  3. Step 3: Cross multiply
    226,297.72x = 312,256.14 × 130,785.97
  4. Step 4: Simplify right side
    226,297.72x = 40,838,722,158.36
  5. Step 5: Solve for x
    x = 40,838,722,158.36/226,297.72
  6. Step 6: Final answer
    x = 180,464.58

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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.