Home / 198,670.86-298,006.21-58,429.49

Finding the Fourth Proportional to 198,670.86, 298,006.21 and 58,429.49

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Solution

The fourth proportional to 198,670.86, 298,006.21 and 58,429.49 is: 87,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,670.86 : 298,006.21 = 58,429.49 : x
  2. Step 2: Convert to fraction form
    198,670.86/298,006.21 = 58,429.49/x
  3. Step 3: Cross multiply
    198,670.86x = 298,006.21 × 58,429.49
  4. Step 4: Simplify right side
    198,670.86x = 17,412,350,378.69
  5. Step 5: Solve for x
    x = 17,412,350,378.69/198,670.86
  6. Step 6: Final answer
    x = 87,644.21

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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.