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Finding the Fourth Proportional to 299,700.40, 449,550.60 and 122,110.60

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Solution

The fourth proportional to 299,700.40, 449,550.60 and 122,110.60 is: 183,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,700.40 : 449,550.60 = 122,110.60 : x
  2. Step 2: Convert to fraction form
    299,700.40/449,550.60 = 122,110.60/x
  3. Step 3: Cross multiply
    299,700.40x = 449,550.60 × 122,110.60
  4. Step 4: Simplify right side
    299,700.40x = 54,894,893,496.36
  5. Step 5: Solve for x
    x = 54,894,893,496.36/299,700.40
  6. Step 6: Final answer
    x = 183,165.90

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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.