Finding the Fourth Proportional to 200,790.18, 299,544.95 and 186,472.62
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Solution
The fourth proportional to 200,790.18, 299,544.95 and 186,472.62 is: 278,185.57
Step by Step Solution
- Step 1: Write the proportion equation
200,790.18 : 299,544.95 = 186,472.62 : x - Step 2: Convert to fraction form
200,790.18/299,544.95 = 186,472.62/x - Step 3: Cross multiply
200,790.18x = 299,544.95 × 186,472.62 - Step 4: Simplify right side
200,790.18x = 55,856,930,701.91 - Step 5: Solve for x
x = 55,856,930,701.91/200,790.18 - Step 6: Final answer
x = 278,185.57
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.