Home / 278,102.73-383,789.33-157,262.10

Finding the Fourth Proportional to 278,102.73, 383,789.33 and 157,262.10

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Solution

The fourth proportional to 278,102.73, 383,789.33 and 157,262.10 is: 217,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,102.73 : 383,789.33 = 157,262.10 : x
  2. Step 2: Convert to fraction form
    278,102.73/383,789.33 = 157,262.10/x
  3. Step 3: Cross multiply
    278,102.73x = 383,789.33 × 157,262.10
  4. Step 4: Simplify right side
    278,102.73x = 60,355,515,437.01
  5. Step 5: Solve for x
    x = 60,355,515,437.01/278,102.73
  6. Step 6: Final answer
    x = 217,025.97

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1.5x scale

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.