Finding the Fourth Proportional to 163,511.80, 245,267.70 and 107,524.60
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Solution
The fourth proportional to 163,511.80, 245,267.70 and 107,524.60 is: 161,286.90
Step by Step Solution
- Step 1: Write the proportion equation
163,511.80 : 245,267.70 = 107,524.60 : x - Step 2: Convert to fraction form
163,511.80/245,267.70 = 107,524.60/x - Step 3: Cross multiply
163,511.80x = 245,267.70 × 107,524.60 - Step 4: Simplify right side
163,511.80x = 26,372,311,335.42 - Step 5: Solve for x
x = 26,372,311,335.42/163,511.80 - Step 6: Final answer
x = 161,286.90
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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.