Home / 209,247.36-313,768.98-74,265.72

Finding the Fourth Proportional to 209,247.36, 313,768.98 and 74,265.72

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Solution

The fourth proportional to 209,247.36, 313,768.98 and 74,265.72 is: 111,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,247.36 : 313,768.98 = 74,265.72 : x
  2. Step 2: Convert to fraction form
    209,247.36/313,768.98 = 74,265.72/x
  3. Step 3: Cross multiply
    209,247.36x = 313,768.98 × 74,265.72
  4. Step 4: Simplify right side
    209,247.36x = 23,302,279,213.37
  5. Step 5: Solve for x
    x = 23,302,279,213.37/209,247.36
  6. Step 6: Final answer
    x = 111,362.36

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1.5x scale

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.