Finding the Fourth Proportional to 369,185.63, 509,476.37 and 199,419.75
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Solution
The fourth proportional to 369,185.63, 509,476.37 and 199,419.75 is: 275,199.36
Step by Step Solution
- Step 1: Write the proportion equation
369,185.63 : 509,476.37 = 199,419.75 : x - Step 2: Convert to fraction form
369,185.63/509,476.37 = 199,419.75/x - Step 3: Cross multiply
369,185.63x = 509,476.37 × 199,419.75 - Step 4: Simplify right side
369,185.63x = 101,599,649,339.21 - Step 5: Solve for x
x = 101,599,649,339.21/369,185.63 - Step 6: Final answer
x = 275,199.36
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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.