Home / 212,626.36-318,843.96-62,814.43

Finding the Fourth Proportional to 212,626.36, 318,843.96 and 62,814.43

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Solution

The fourth proportional to 212,626.36, 318,843.96 and 62,814.43 is: 94,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,626.36 : 318,843.96 = 62,814.43 : x
  2. Step 2: Convert to fraction form
    212,626.36/318,843.96 = 62,814.43/x
  3. Step 3: Cross multiply
    212,626.36x = 318,843.96 × 62,814.43
  4. Step 4: Simplify right side
    212,626.36x = 20,028,001,606.34
  5. Step 5: Solve for x
    x = 20,028,001,606.34/212,626.36
  6. Step 6: Final answer
    x = 94,193.41

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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.