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Finding the Fourth Proportional to 300,015.39, 450,023.53 and 122,522.41

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Solution

The fourth proportional to 300,015.39, 450,023.53 and 122,522.41 is: 183,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,015.39 : 450,023.53 = 122,522.41 : x
  2. Step 2: Convert to fraction form
    300,015.39/450,023.53 = 122,522.41/x
  3. Step 3: Cross multiply
    300,015.39x = 450,023.53 × 122,522.41
  4. Step 4: Simplify right side
    300,015.39x = 55,137,966,839.70
  5. Step 5: Solve for x
    x = 55,137,966,839.70/300,015.39
  6. Step 6: Final answer
    x = 183,783.79

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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.