Finding the Fourth Proportional to 263,277.15, 363,322.05 and 142,418.06
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Solution
The fourth proportional to 263,277.15, 363,322.05 and 142,418.06 is: 196,536.70
Step by Step Solution
- Step 1: Write the proportion equation
263,277.15 : 363,322.05 = 142,418.06 : x - Step 2: Convert to fraction form
263,277.15/363,322.05 = 142,418.06/x - Step 3: Cross multiply
263,277.15x = 363,322.05 × 142,418.06 - Step 4: Simplify right side
263,277.15x = 51,743,621,516.22 - Step 5: Solve for x
x = 51,743,621,516.22/263,277.15 - Step 6: Final answer
x = 196,536.70
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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.