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Finding the Fourth Proportional to 240,220.40, 360,330.60 and 122,122.40

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Solution

The fourth proportional to 240,220.40, 360,330.60 and 122,122.40 is: 183,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,220.40 : 360,330.60 = 122,122.40 : x
  2. Step 2: Convert to fraction form
    240,220.40/360,330.60 = 122,122.40/x
  3. Step 3: Cross multiply
    240,220.40x = 360,330.60 × 122,122.40
  4. Step 4: Simplify right side
    240,220.40x = 44,004,437,665.44
  5. Step 5: Solve for x
    x = 44,004,437,665.44/240,220.40
  6. Step 6: Final answer
    x = 183,183.60

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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.