Finding the Fourth Proportional to 263,606.84, 363,777.63 and 142,748.26
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Solution
The fourth proportional to 263,606.84, 363,777.63 and 142,748.26 is: 196,992.70
Step by Step Solution
- Step 1: Write the proportion equation
263,606.84 : 363,777.63 = 142,748.26 : x - Step 2: Convert to fraction form
263,606.84/363,777.63 = 142,748.26/x - Step 3: Cross multiply
263,606.84x = 363,777.63 × 142,748.26 - Step 4: Simplify right side
263,606.84x = 51,928,623,067.63 - Step 5: Solve for x
x = 51,928,623,067.63/263,606.84 - Step 6: Final answer
x = 196,992.70
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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.