Home / 281,789.76-422,487.72-104,273.67

Finding the Fourth Proportional to 281,789.76, 422,487.72 and 104,273.67

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Solution

The fourth proportional to 281,789.76, 422,487.72 and 104,273.67 is: 156,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,789.76 : 422,487.72 = 104,273.67 : x
  2. Step 2: Convert to fraction form
    281,789.76/422,487.72 = 104,273.67/x
  3. Step 3: Cross multiply
    281,789.76x = 422,487.72 × 104,273.67
  4. Step 4: Simplify right side
    281,789.76x = 44,054,345,094.33
  5. Step 5: Solve for x
    x = 44,054,345,094.33/281,789.76
  6. Step 6: Final answer
    x = 156,337.64

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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.