Home / 278,610.03-384,481.89-151,285.66

Finding the Fourth Proportional to 278,610.03, 384,481.89 and 151,285.66

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Solution

The fourth proportional to 278,610.03, 384,481.89 and 151,285.66 is: 208,774.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,610.03 : 384,481.89 = 151,285.66 : x
  2. Step 2: Convert to fraction form
    278,610.03/384,481.89 = 151,285.66/x
  3. Step 3: Cross multiply
    278,610.03x = 384,481.89 × 151,285.66
  4. Step 4: Simplify right side
    278,610.03x = 58,166,595,525.49
  5. Step 5: Solve for x
    x = 58,166,595,525.49/278,610.03
  6. Step 6: Final answer
    x = 208,774.23

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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.