Finding the Fourth Proportional to 186,906.05, 257,921.34 and 106,325.99
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Solution
The fourth proportional to 186,906.05, 257,921.34 and 106,325.99 is: 146,724.74
Step by Step Solution
- Step 1: Write the proportion equation
186,906.05 : 257,921.34 = 106,325.99 : x - Step 2: Convert to fraction form
186,906.05/257,921.34 = 106,325.99/x - Step 3: Cross multiply
186,906.05x = 257,921.34 × 106,325.99 - Step 4: Simplify right side
186,906.05x = 27,423,741,817.63 - Step 5: Solve for x
x = 27,423,741,817.63/186,906.05 - Step 6: Final answer
x = 146,724.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.