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Finding the Fourth Proportional to 295,754.40, 443,923.20 and 146,163.60

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Solution

The fourth proportional to 295,754.40, 443,923.20 and 146,163.60 is: 219,389.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,754.40 : 443,923.20 = 146,163.60 : x
  2. Step 2: Convert to fraction form
    295,754.40/443,923.20 = 146,163.60/x
  3. Step 3: Cross multiply
    295,754.40x = 443,923.20 × 146,163.60
  4. Step 4: Simplify right side
    295,754.40x = 64,885,413,035.52
  5. Step 5: Solve for x
    x = 64,885,413,035.52/295,754.40
  6. Step 6: Final answer
    x = 219,389.51

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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.