Finding the Fourth Proportional to 136,245.04, 204,394.92 and 47,474.68
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Solution
The fourth proportional to 136,245.04, 204,394.92 and 47,474.68 is: 71,221.55
Step by Step Solution
- Step 1: Write the proportion equation
136,245.04 : 204,394.92 = 47,474.68 : x - Step 2: Convert to fraction form
136,245.04/204,394.92 = 47,474.68/x - Step 3: Cross multiply
136,245.04x = 204,394.92 × 47,474.68 - Step 4: Simplify right side
136,245.04x = 9,703,583,420.63 - Step 5: Solve for x
x = 9,703,583,420.63/136,245.04 - Step 6: Final answer
x = 71,221.55
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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.