Home / 305,310.10-457,890.48-238,584.73

Finding the Fourth Proportional to 305,310.10, 457,890.48 and 238,584.73

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Solution

The fourth proportional to 305,310.10, 457,890.48 and 238,584.73 is: 357,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,310.10 : 457,890.48 = 238,584.73 : x
  2. Step 2: Convert to fraction form
    305,310.10/457,890.48 = 238,584.73/x
  3. Step 3: Cross multiply
    305,310.10x = 457,890.48 × 238,584.73
  4. Step 4: Simplify right side
    305,310.10x = 109,245,676,540.37
  5. Step 5: Solve for x
    x = 109,245,676,540.37/305,310.10
  6. Step 6: Final answer
    x = 357,818.74

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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.