Finding the Fourth Proportional to 186,788.96, 257,758.26 and 106,236.08
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Solution
The fourth proportional to 186,788.96, 257,758.26 and 106,236.08 is: 146,599.81
Step by Step Solution
- Step 1: Write the proportion equation
186,788.96 : 257,758.26 = 106,236.08 : x - Step 2: Convert to fraction form
186,788.96/257,758.26 = 106,236.08/x - Step 3: Cross multiply
186,788.96x = 257,758.26 × 106,236.08 - Step 4: Simplify right side
186,788.96x = 27,383,226,485.63 - Step 5: Solve for x
x = 27,383,226,485.63/186,788.96 - Step 6: Final answer
x = 146,599.81
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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.