Home / 298,986.48-412,367.76-191,566.98

Finding the Fourth Proportional to 298,986.48, 412,367.76 and 191,566.98

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Solution

The fourth proportional to 298,986.48, 412,367.76 and 191,566.98 is: 264,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,986.48 : 412,367.76 = 191,566.98 : x
  2. Step 2: Convert to fraction form
    298,986.48/412,367.76 = 191,566.98/x
  3. Step 3: Cross multiply
    298,986.48x = 412,367.76 × 191,566.98
  4. Step 4: Simplify right side
    298,986.48x = 78,996,046,432.56
  5. Step 5: Solve for x
    x = 78,996,046,432.56/298,986.48
  6. Step 6: Final answer
    x = 264,212.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.