Finding the Fourth Proportional to 131,604.15, 197,286.75 and 68,350.26
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Solution
The fourth proportional to 131,604.15, 197,286.75 and 68,350.26 is: 102,463.34
Step by Step Solution
- Step 1: Write the proportion equation
131,604.15 : 197,286.75 = 68,350.26 : x - Step 2: Convert to fraction form
131,604.15/197,286.75 = 68,350.26/x - Step 3: Cross multiply
131,604.15x = 197,286.75 × 68,350.26 - Step 4: Simplify right side
131,604.15x = 13,484,600,657.06 - Step 5: Solve for x
x = 13,484,600,657.06/131,604.15 - Step 6: Final answer
x = 102,463.34
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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.