Finding the Fourth Proportional to 209,654.92, 314,202.12 and 76,409.92
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Solution
The fourth proportional to 209,654.92, 314,202.12 and 76,409.92 is: 114,512.74
Step by Step Solution
- Step 1: Write the proportion equation
209,654.92 : 314,202.12 = 76,409.92 : x - Step 2: Convert to fraction form
209,654.92/314,202.12 = 76,409.92/x - Step 3: Cross multiply
209,654.92x = 314,202.12 × 76,409.92 - Step 4: Simplify right side
209,654.92x = 24,008,158,853.03 - Step 5: Solve for x
x = 24,008,158,853.03/209,654.92 - Step 6: Final answer
x = 114,512.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.