Home / 286,738.62-430,273.89-118,227.54

Finding the Fourth Proportional to 286,738.62, 430,273.89 and 118,227.54

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Solution

The fourth proportional to 286,738.62, 430,273.89 and 118,227.54 is: 177,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,738.62 : 430,273.89 = 118,227.54 : x
  2. Step 2: Convert to fraction form
    286,738.62/430,273.89 = 118,227.54/x
  3. Step 3: Cross multiply
    286,738.62x = 430,273.89 × 118,227.54
  4. Step 4: Simplify right side
    286,738.62x = 50,870,223,540.93
  5. Step 5: Solve for x
    x = 50,870,223,540.93/286,738.62
  6. Step 6: Final answer
    x = 177,409.74

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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.