Finding the Fourth Proportional to 181,075.77, 249,882.67 and 100,503.99
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Solution
The fourth proportional to 181,075.77, 249,882.67 and 100,503.99 is: 138,694.46
Step by Step Solution
- Step 1: Write the proportion equation
181,075.77 : 249,882.67 = 100,503.99 : x - Step 2: Convert to fraction form
181,075.77/249,882.67 = 100,503.99/x - Step 3: Cross multiply
181,075.77x = 249,882.67 × 100,503.99 - Step 4: Simplify right side
181,075.77x = 25,114,205,366.85 - Step 5: Solve for x
x = 25,114,205,366.85/181,075.77 - Step 6: Final answer
x = 138,694.46
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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.