Finding the Fourth Proportional to 343,286.20, 514,929.30 and 202,972.60
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Solution
The fourth proportional to 343,286.20, 514,929.30 and 202,972.60 is: 304,458.90
Step by Step Solution
- Step 1: Write the proportion equation
343,286.20 : 514,929.30 = 202,972.60 : x - Step 2: Convert to fraction form
343,286.20/514,929.30 = 202,972.60/x - Step 3: Cross multiply
343,286.20x = 514,929.30 × 202,972.60 - Step 4: Simplify right side
343,286.20x = 104,516,538,837.18 - Step 5: Solve for x
x = 104,516,538,837.18/343,286.20 - Step 6: Final answer
x = 304,458.90
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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.