Home / 209,982.90-314,974.26-52,211.37

Finding the Fourth Proportional to 209,982.90, 314,974.26 and 52,211.37

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Solution

The fourth proportional to 209,982.90, 314,974.26 and 52,211.37 is: 78,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,982.90 : 314,974.26 = 52,211.37 : x
  2. Step 2: Convert to fraction form
    209,982.90/314,974.26 = 52,211.37/x
  3. Step 3: Cross multiply
    209,982.90x = 314,974.26 × 52,211.37
  4. Step 4: Simplify right side
    209,982.90x = 16,445,237,629.34
  5. Step 5: Solve for x
    x = 16,445,237,629.34/209,982.90
  6. Step 6: Final answer
    x = 78,317.03

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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.