Home / 305,780.20-458,670.30-164,062.60

Finding the Fourth Proportional to 305,780.20, 458,670.30 and 164,062.60

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Solution

The fourth proportional to 305,780.20, 458,670.30 and 164,062.60 is: 246,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,780.20 : 458,670.30 = 164,062.60 : x
  2. Step 2: Convert to fraction form
    305,780.20/458,670.30 = 164,062.60/x
  3. Step 3: Cross multiply
    305,780.20x = 458,670.30 × 164,062.60
  4. Step 4: Simplify right side
    305,780.20x = 75,250,641,960.78
  5. Step 5: Solve for x
    x = 75,250,641,960.78/305,780.20
  6. Step 6: Final answer
    x = 246,093.90

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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.