Finding the Fourth Proportional to 263,743.73, 363,965.91 and 142,888.08
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Solution
The fourth proportional to 263,743.73, 363,965.91 and 142,888.08 is: 197,185.32
Step by Step Solution
- Step 1: Write the proportion equation
263,743.73 : 363,965.91 = 142,888.08 : x - Step 2: Convert to fraction form
263,743.73/363,965.91 = 142,888.08/x - Step 3: Cross multiply
263,743.73x = 363,965.91 × 142,888.08 - Step 4: Simplify right side
263,743.73x = 52,006,390,894.39 - Step 5: Solve for x
x = 52,006,390,894.39/263,743.73 - Step 6: Final answer
x = 197,185.32
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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.