Home / 198,929.21-298,390.88-49,169.51

Finding the Fourth Proportional to 198,929.21, 298,390.88 and 49,169.51

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Solution

The fourth proportional to 198,929.21, 298,390.88 and 49,169.51 is: 73,753.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,929.21 : 298,390.88 = 49,169.51 : x
  2. Step 2: Convert to fraction form
    198,929.21/298,390.88 = 49,169.51/x
  3. Step 3: Cross multiply
    198,929.21x = 298,390.88 × 49,169.51
  4. Step 4: Simplify right side
    198,929.21x = 14,671,731,620.27
  5. Step 5: Solve for x
    x = 14,671,731,620.27/198,929.21
  6. Step 6: Final answer
    x = 73,753.53

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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.