Finding the Fourth Proportional to 369,504.76, 509,916.99 and 199,738.75
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Solution
The fourth proportional to 369,504.76, 509,916.99 and 199,738.75 is: 275,639.70
Step by Step Solution
- Step 1: Write the proportion equation
369,504.76 : 509,916.99 = 199,738.75 : x - Step 2: Convert to fraction form
369,504.76/509,916.99 = 199,738.75/x - Step 3: Cross multiply
369,504.76x = 509,916.99 × 199,738.75 - Step 4: Simplify right side
369,504.76x = 101,850,182,186.36 - Step 5: Solve for x
x = 101,850,182,186.36/369,504.76 - Step 6: Final answer
x = 275,639.70
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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.