Finding the Fourth Proportional to 263,655.57, 363,842.87 and 142,794.09
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Solution
The fourth proportional to 263,655.57, 363,842.87 and 142,794.09 is: 197,054.86
Step by Step Solution
- Step 1: Write the proportion equation
263,655.57 : 363,842.87 = 142,794.09 : x - Step 2: Convert to fraction form
263,655.57/363,842.87 = 142,794.09/x - Step 3: Cross multiply
263,655.57x = 363,842.87 × 142,794.09 - Step 4: Simplify right side
263,655.57x = 51,954,611,613.88 - Step 5: Solve for x
x = 51,954,611,613.88/263,655.57 - Step 6: Final answer
x = 197,054.86
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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.