Finding the Fourth Proportional to 224,372.28, 309,634.74 and 122,400.06
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Solution
The fourth proportional to 224,372.28, 309,634.74 and 122,400.06 is: 168,912.62
Step by Step Solution
- Step 1: Write the proportion equation
224,372.28 : 309,634.74 = 122,400.06 : x - Step 2: Convert to fraction form
224,372.28/309,634.74 = 122,400.06/x - Step 3: Cross multiply
224,372.28x = 309,634.74 × 122,400.06 - Step 4: Simplify right side
224,372.28x = 37,899,310,754.08 - Step 5: Solve for x
x = 37,899,310,754.08/224,372.28 - Step 6: Final answer
x = 168,912.62
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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.