Home / 198,710.48-298,065.72-58,469.15

Finding the Fourth Proportional to 198,710.48, 298,065.72 and 58,469.15

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Solution

The fourth proportional to 198,710.48, 298,065.72 and 58,469.15 is: 87,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,710.48 : 298,065.72 = 58,469.15 : x
  2. Step 2: Convert to fraction form
    198,710.48/298,065.72 = 58,469.15/x
  3. Step 3: Cross multiply
    198,710.48x = 298,065.72 × 58,469.15
  4. Step 4: Simplify right side
    198,710.48x = 17,427,649,292.54
  5. Step 5: Solve for x
    x = 17,427,649,292.54/198,710.48
  6. Step 6: Final answer
    x = 87,703.73

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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.