Home / 648,295.73-972,408.44-199,016.67

Finding the Fourth Proportional to 648,295.73, 972,408.44 and 199,016.67

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Solution

The fourth proportional to 648,295.73, 972,408.44 and 199,016.67 is: 298,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,295.73 : 972,408.44 = 199,016.67 : x
  2. Step 2: Convert to fraction form
    648,295.73/972,408.44 = 199,016.67/x
  3. Step 3: Cross multiply
    648,295.73x = 972,408.44 × 199,016.67
  4. Step 4: Simplify right side
    648,295.73x = 193,525,488,613.61
  5. Step 5: Solve for x
    x = 193,525,488,613.61/648,295.73
  6. Step 6: Final answer
    x = 298,514.21

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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.