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Finding the Fourth Proportional to 216,350.44, 300,091.15 and 210,596.20

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Solution

The fourth proportional to 216,350.44, 300,091.15 and 210,596.20 is: 292,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,350.44 : 300,091.15 = 210,596.20 : x
  2. Step 2: Convert to fraction form
    216,350.44/300,091.15 = 210,596.20/x
  3. Step 3: Cross multiply
    216,350.44x = 300,091.15 × 210,596.20
  4. Step 4: Simplify right side
    216,350.44x = 63,198,055,843.63
  5. Step 5: Solve for x
    x = 63,198,055,843.63/216,350.44
  6. Step 6: Final answer
    x = 292,109.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.