Finding the Fourth Proportional to 263,307.74, 363,364.18 and 142,449.12
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Solution
The fourth proportional to 263,307.74, 363,364.18 and 142,449.12 is: 196,579.52
Step by Step Solution
- Step 1: Write the proportion equation
263,307.74 : 363,364.18 = 142,449.12 : x - Step 2: Convert to fraction form
263,307.74/363,364.18 = 142,449.12/x - Step 3: Cross multiply
263,307.74x = 363,364.18 × 142,449.12 - Step 4: Simplify right side
263,307.74x = 51,760,907,324.40 - Step 5: Solve for x
x = 51,760,907,324.40/263,307.74 - Step 6: Final answer
x = 196,579.52
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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.