Home / 209,274.03-313,912.26-51,501.42

Finding the Fourth Proportional to 209,274.03, 313,912.26 and 51,501.42

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Solution

The fourth proportional to 209,274.03, 313,912.26 and 51,501.42 is: 77,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,274.03 : 313,912.26 = 51,501.42 : x
  2. Step 2: Convert to fraction form
    209,274.03/313,912.26 = 51,501.42/x
  3. Step 3: Cross multiply
    209,274.03x = 313,912.26 × 51,501.42
  4. Step 4: Simplify right side
    209,274.03x = 16,166,927,145.41
  5. Step 5: Solve for x
    x = 16,166,927,145.41/209,274.03
  6. Step 6: Final answer
    x = 77,252.43

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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.