Finding the Fourth Proportional to 356,010.81, 491,197.76 and 202,993.19
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Solution
The fourth proportional to 356,010.81, 491,197.76 and 202,993.19 is: 280,075.20
Step by Step Solution
- Step 1: Write the proportion equation
356,010.81 : 491,197.76 = 202,993.19 : x - Step 2: Convert to fraction form
356,010.81/491,197.76 = 202,993.19/x - Step 3: Cross multiply
356,010.81x = 491,197.76 × 202,993.19 - Step 4: Simplify right side
356,010.81x = 99,709,800,223.25 - Step 5: Solve for x
x = 99,709,800,223.25/356,010.81 - Step 6: Final answer
x = 280,075.20
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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.