Finding the Fourth Proportional to 190,075.11, 284,630.49 and 114,126.75
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Solution
The fourth proportional to 190,075.11, 284,630.49 and 114,126.75 is: 170,900.62
Step by Step Solution
- Step 1: Write the proportion equation
190,075.11 : 284,630.49 = 114,126.75 : x - Step 2: Convert to fraction form
190,075.11/284,630.49 = 114,126.75/x - Step 3: Cross multiply
190,075.11x = 284,630.49 × 114,126.75 - Step 4: Simplify right side
190,075.11x = 32,483,952,774.61 - Step 5: Solve for x
x = 32,483,952,774.61/190,075.11 - Step 6: Final answer
x = 170,900.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.