Finding the Fourth Proportional to 196,615.68, 271,329.48 and 107,191.68
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Solution
The fourth proportional to 196,615.68, 271,329.48 and 107,191.68 is: 147,924.43
Step by Step Solution
- Step 1: Write the proportion equation
196,615.68 : 271,329.48 = 107,191.68 : x - Step 2: Convert to fraction form
196,615.68/271,329.48 = 107,191.68/x - Step 3: Cross multiply
196,615.68x = 271,329.48 × 107,191.68 - Step 4: Simplify right side
196,615.68x = 29,084,262,794.73 - Step 5: Solve for x
x = 29,084,262,794.73/196,615.68 - Step 6: Final answer
x = 147,924.43
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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.