Finding the Fourth Proportional to 198,844.68, 274,397.58 and 113,902.68
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Solution
The fourth proportional to 198,844.68, 274,397.58 and 113,902.68 is: 157,181.07
Step by Step Solution
- Step 1: Write the proportion equation
198,844.68 : 274,397.58 = 113,902.68 : x - Step 2: Convert to fraction form
198,844.68/274,397.58 = 113,902.68/x - Step 3: Cross multiply
198,844.68x = 274,397.58 × 113,902.68 - Step 4: Simplify right side
198,844.68x = 31,254,619,747.51 - Step 5: Solve for x
x = 31,254,619,747.51/198,844.68 - Step 6: Final answer
x = 157,181.07
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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.