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Finding the Fourth Proportional to 303,053, 454,481.04 and 143,104.20

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Solution

The fourth proportional to 303,053, 454,481.04 and 143,104.20 is: 214,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,053 : 454,481.04 = 143,104.20 : x
  2. Step 2: Convert to fraction form
    303,053/454,481.04 = 143,104.20/x
  3. Step 3: Cross multiply
    303,053x = 454,481.04 × 143,104.20
  4. Step 4: Simplify right side
    303,053x = 65,038,145,644.37
  5. Step 5: Solve for x
    x = 65,038,145,644.37/303,053
  6. Step 6: Final answer
    x = 214,609.81

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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.