Finding the Fourth Proportional to 203,906.18, 281,386.76 and 113,258.54
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Solution
The fourth proportional to 203,906.18, 281,386.76 and 113,258.54 is: 156,294.69
Step by Step Solution
- Step 1: Write the proportion equation
203,906.18 : 281,386.76 = 113,258.54 : x - Step 2: Convert to fraction form
203,906.18/281,386.76 = 113,258.54/x - Step 3: Cross multiply
203,906.18x = 281,386.76 × 113,258.54 - Step 4: Simplify right side
203,906.18x = 31,869,453,612.93 - Step 5: Solve for x
x = 31,869,453,612.93/203,906.18 - Step 6: Final answer
x = 156,294.69
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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.