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Finding the Fourth Proportional to 224,307.44, 309,544.56 and 122,333.12

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Solution

The fourth proportional to 224,307.44, 309,544.56 and 122,333.12 is: 168,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,307.44 : 309,544.56 = 122,333.12 : x
  2. Step 2: Convert to fraction form
    224,307.44/309,544.56 = 122,333.12/x
  3. Step 3: Cross multiply
    224,307.44x = 309,544.56 × 122,333.12
  4. Step 4: Simplify right side
    224,307.44x = 37,867,551,803.83
  5. Step 5: Solve for x
    x = 37,867,551,803.83/224,307.44
  6. Step 6: Final answer
    x = 168,819.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.