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Finding the Fourth Proportional to 300,015.89, 450,024.28 and 122,522.91

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Solution

The fourth proportional to 300,015.89, 450,024.28 and 122,522.91 is: 183,784.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,015.89 : 450,024.28 = 122,522.91 : x
  2. Step 2: Convert to fraction form
    300,015.89/450,024.28 = 122,522.91/x
  3. Step 3: Cross multiply
    300,015.89x = 450,024.28 × 122,522.91
  4. Step 4: Simplify right side
    300,015.89x = 55,138,283,743.64
  5. Step 5: Solve for x
    x = 55,138,283,743.64/300,015.89
  6. Step 6: Final answer
    x = 183,784.54

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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.