Finding the Fourth Proportional to 186,705.76, 279,975.84 and 53,555.68
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Solution
The fourth proportional to 186,705.76, 279,975.84 and 53,555.68 is: 80,309.77
Step by Step Solution
- Step 1: Write the proportion equation
186,705.76 : 279,975.84 = 53,555.68 : x - Step 2: Convert to fraction form
186,705.76/279,975.84 = 53,555.68/x - Step 3: Cross multiply
186,705.76x = 279,975.84 × 53,555.68 - Step 4: Simplify right side
186,705.76x = 14,994,296,494.77 - Step 5: Solve for x
x = 14,994,296,494.77/186,705.76 - Step 6: Final answer
x = 80,309.77
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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.