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Finding the Fourth Proportional to 324,014.40, 486,021.60 and 244,180.80

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Solution

The fourth proportional to 324,014.40, 486,021.60 and 244,180.80 is: 366,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,014.40 : 486,021.60 = 244,180.80 : x
  2. Step 2: Convert to fraction form
    324,014.40/486,021.60 = 244,180.80/x
  3. Step 3: Cross multiply
    324,014.40x = 486,021.60 × 244,180.80
  4. Step 4: Simplify right side
    324,014.40x = 118,677,143,105.28
  5. Step 5: Solve for x
    x = 118,677,143,105.28/324,014.40
  6. Step 6: Final answer
    x = 366,271.20

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1.5x scale

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.