Finding the Fourth Proportional to 103,336.08, 154,770.84 and 65,896.08
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Solution
The fourth proportional to 103,336.08, 154,770.84 and 65,896.08 is: 98,695.36
Step by Step Solution
- Step 1: Write the proportion equation
103,336.08 : 154,770.84 = 65,896.08 : x - Step 2: Convert to fraction form
103,336.08/154,770.84 = 65,896.08/x - Step 3: Cross multiply
103,336.08x = 154,770.84 × 65,896.08 - Step 4: Simplify right side
103,336.08x = 10,198,791,654.31 - Step 5: Solve for x
x = 10,198,791,654.31/103,336.08 - Step 6: Final answer
x = 98,695.36
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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.