Finding the Fourth Proportional to 186,074.18, 279,110.66 and 51,138.44
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Solution
The fourth proportional to 186,074.18, 279,110.66 and 51,138.44 is: 76,707.49
Step by Step Solution
- Step 1: Write the proportion equation
186,074.18 : 279,110.66 = 51,138.44 : x - Step 2: Convert to fraction form
186,074.18/279,110.66 = 51,138.44/x - Step 3: Cross multiply
186,074.18x = 279,110.66 × 51,138.44 - Step 4: Simplify right side
186,074.18x = 14,273,282,088.52 - Step 5: Solve for x
x = 14,273,282,088.52/186,074.18 - Step 6: Final answer
x = 76,707.49
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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.