Home / 298,014.04-447,083.70-87,634.36

Finding the Fourth Proportional to 298,014.04, 447,083.70 and 87,634.36

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Solution

The fourth proportional to 298,014.04, 447,083.70 and 87,634.36 is: 131,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,014.04 : 447,083.70 = 87,634.36 : x
  2. Step 2: Convert to fraction form
    298,014.04/447,083.70 = 87,634.36/x
  3. Step 3: Cross multiply
    298,014.04x = 447,083.70 × 87,634.36
  4. Step 4: Simplify right side
    298,014.04x = 39,179,893,915.93
  5. Step 5: Solve for x
    x = 39,179,893,915.93/298,014.04
  6. Step 6: Final answer
    x = 131,469.96

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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.