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Finding the Fourth Proportional to 240,244.40, 360,583.97 and 128,019.44

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Solution

The fourth proportional to 240,244.40, 360,583.97 and 128,019.44 is: 192,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,244.40 : 360,583.97 = 128,019.44 : x
  2. Step 2: Convert to fraction form
    240,244.40/360,583.97 = 128,019.44/x
  3. Step 3: Cross multiply
    240,244.40x = 360,583.97 × 128,019.44
  4. Step 4: Simplify right side
    240,244.40x = 46,161,755,469.36
  5. Step 5: Solve for x
    x = 46,161,755,469.36/240,244.40
  6. Step 6: Final answer
    x = 192,144.98

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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.