Home / 265,504.44-398,109-87,914.57

Finding the Fourth Proportional to 265,504.44, 398,109 and 87,914.57

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Solution

The fourth proportional to 265,504.44, 398,109 and 87,914.57 is: 131,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,504.44 : 398,109 = 87,914.57 : x
  2. Step 2: Convert to fraction form
    265,504.44/398,109 = 87,914.57/x
  3. Step 3: Cross multiply
    265,504.44x = 398,109 × 87,914.57
  4. Step 4: Simplify right side
    265,504.44x = 34,999,581,548.13
  5. Step 5: Solve for x
    x = 34,999,581,548.13/265,504.44
  6. Step 6: Final answer
    x = 131,822.96

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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.