Finding the Fourth Proportional to 84,218.68, 126,367.49 and 36,827.70
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Solution
The fourth proportional to 84,218.68, 126,367.49 and 36,827.70 is: 55,258.81
Step by Step Solution
- Step 1: Write the proportion equation
84,218.68 : 126,367.49 = 36,827.70 : x - Step 2: Convert to fraction form
84,218.68/126,367.49 = 36,827.70/x - Step 3: Cross multiply
84,218.68x = 126,367.49 × 36,827.70 - Step 4: Simplify right side
84,218.68x = 4,653,824,011.47 - Step 5: Solve for x
x = 4,653,824,011.47/84,218.68 - Step 6: Final answer
x = 55,258.81
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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.