Finding the Fourth Proportional to 175,516.75, 242,114.70 and 107,566.66
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Solution
The fourth proportional to 175,516.75, 242,114.70 and 107,566.66 is: 148,381.68
Step by Step Solution
- Step 1: Write the proportion equation
175,516.75 : 242,114.70 = 107,566.66 : x - Step 2: Convert to fraction form
175,516.75/242,114.70 = 107,566.66/x - Step 3: Cross multiply
175,516.75x = 242,114.70 × 107,566.66 - Step 4: Simplify right side
175,516.75x = 26,043,469,615.90 - Step 5: Solve for x
x = 26,043,469,615.90/175,516.75 - Step 6: Final answer
x = 148,381.68
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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.