Home / 226,284.42-312,237.82-130,772.69

Finding the Fourth Proportional to 226,284.42, 312,237.82 and 130,772.69

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Solution

The fourth proportional to 226,284.42, 312,237.82 and 130,772.69 is: 180,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,284.42 : 312,237.82 = 130,772.69 : x
  2. Step 2: Convert to fraction form
    226,284.42/312,237.82 = 130,772.69/x
  3. Step 3: Cross multiply
    226,284.42x = 312,237.82 × 130,772.69
  4. Step 4: Simplify right side
    226,284.42x = 40,832,179,414.30
  5. Step 5: Solve for x
    x = 40,832,179,414.30/226,284.42
  6. Step 6: Final answer
    x = 180,446.27

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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.