Home / 298,190.26-447,285.45-87,828.22

Finding the Fourth Proportional to 298,190.26, 447,285.45 and 87,828.22

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Solution

The fourth proportional to 298,190.26, 447,285.45 and 87,828.22 is: 131,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,190.26 : 447,285.45 = 87,828.22 : x
  2. Step 2: Convert to fraction form
    298,190.26/447,285.45 = 87,828.22/x
  3. Step 3: Cross multiply
    298,190.26x = 447,285.45 × 87,828.22
  4. Step 4: Simplify right side
    298,190.26x = 39,284,284,905.40
  5. Step 5: Solve for x
    x = 39,284,284,905.40/298,190.26
  6. Step 6: Final answer
    x = 131,742.35

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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.