Finding the Fourth Proportional to 193,075.83, 266,431.21 and 107,033.99
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Solution
The fourth proportional to 193,075.83, 266,431.21 and 107,033.99 is: 147,699.45
Step by Step Solution
- Step 1: Write the proportion equation
193,075.83 : 266,431.21 = 107,033.99 : x - Step 2: Convert to fraction form
193,075.83/266,431.21 = 107,033.99/x - Step 3: Cross multiply
193,075.83x = 266,431.21 × 107,033.99 - Step 4: Simplify right side
193,075.83x = 28,517,193,867.09 - Step 5: Solve for x
x = 28,517,193,867.09/193,075.83 - Step 6: Final answer
x = 147,699.45
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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.