Finding the Fourth Proportional to 354,146.62, 488,673.03 and 199,075.99
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Solution
The fourth proportional to 354,146.62, 488,673.03 and 199,075.99 is: 274,697.15
Step by Step Solution
- Step 1: Write the proportion equation
354,146.62 : 488,673.03 = 199,075.99 : x - Step 2: Convert to fraction form
354,146.62/488,673.03 = 199,075.99/x - Step 3: Cross multiply
354,146.62x = 488,673.03 × 199,075.99 - Step 4: Simplify right side
354,146.62x = 97,283,067,233.55 - Step 5: Solve for x
x = 97,283,067,233.55/354,146.62 - Step 6: Final answer
x = 274,697.15
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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.