Home / 354,024.48-531,258.17-143,662.42

Finding the Fourth Proportional to 354,024.48, 531,258.17 and 143,662.42

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Solution

The fourth proportional to 354,024.48, 531,258.17 and 143,662.42 is: 215,583.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,024.48 : 531,258.17 = 143,662.42 : x
  2. Step 2: Convert to fraction form
    354,024.48/531,258.17 = 143,662.42/x
  3. Step 3: Cross multiply
    354,024.48x = 531,258.17 × 143,662.42
  4. Step 4: Simplify right side
    354,024.48x = 76,321,834,292.73
  5. Step 5: Solve for x
    x = 76,321,834,292.73/354,024.48
  6. Step 6: Final answer
    x = 215,583.49

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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.