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Finding the Fourth Proportional to 283,873.21, 425,793.11 and 106,365.35

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Solution

The fourth proportional to 283,873.21, 425,793.11 and 106,365.35 is: 159,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,873.21 : 425,793.11 = 106,365.35 : x
  2. Step 2: Convert to fraction form
    283,873.21/425,793.11 = 106,365.35/x
  3. Step 3: Cross multiply
    283,873.21x = 425,793.11 × 106,365.35
  4. Step 4: Simplify right side
    283,873.21x = 45,289,633,705.39
  5. Step 5: Solve for x
    x = 45,289,633,705.39/283,873.21
  6. Step 6: Final answer
    x = 159,541.77

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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.