Home / 278,306.73-384,063.44-150,982.31

Finding the Fourth Proportional to 278,306.73, 384,063.44 and 150,982.31

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Solution

The fourth proportional to 278,306.73, 384,063.44 and 150,982.31 is: 208,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,306.73 : 384,063.44 = 150,982.31 : x
  2. Step 2: Convert to fraction form
    278,306.73/384,063.44 = 150,982.31/x
  3. Step 3: Cross multiply
    278,306.73x = 384,063.44 × 150,982.31
  4. Step 4: Simplify right side
    278,306.73x = 57,986,785,562.99
  5. Step 5: Solve for x
    x = 57,986,785,562.99/278,306.73
  6. Step 6: Final answer
    x = 208,355.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.