Finding the Fourth Proportional to 369,504.84, 509,916.42 and 199,738.98
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Solution
The fourth proportional to 369,504.84, 509,916.42 and 199,738.98 is: 275,639.65
Step by Step Solution
- Step 1: Write the proportion equation
369,504.84 : 509,916.42 = 199,738.98 : x - Step 2: Convert to fraction form
369,504.84/509,916.42 = 199,738.98/x - Step 3: Cross multiply
369,504.84x = 509,916.42 × 199,738.98 - Step 4: Simplify right side
369,504.84x = 101,850,185,616.05 - Step 5: Solve for x
x = 101,850,185,616.05/369,504.84 - Step 6: Final answer
x = 275,639.65
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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.