Finding the Fourth Proportional to 186,635.87, 257,557.50 and 106,063.55
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Solution
The fourth proportional to 186,635.87, 257,557.50 and 106,063.55 is: 146,367.70
Step by Step Solution
- Step 1: Write the proportion equation
186,635.87 : 257,557.50 = 106,063.55 : x - Step 2: Convert to fraction form
186,635.87/257,557.50 = 106,063.55/x - Step 3: Cross multiply
186,635.87x = 257,557.50 × 106,063.55 - Step 4: Simplify right side
186,635.87x = 27,317,462,779.13 - Step 5: Solve for x
x = 27,317,462,779.13/186,635.87 - Step 6: Final answer
x = 146,367.70
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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.