Finding the Fourth Proportional to 343,583.26, 474,167.34 and 198,395.18
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Solution
The fourth proportional to 343,583.26, 474,167.34 and 198,395.18 is: 273,798.31
Step by Step Solution
- Step 1: Write the proportion equation
343,583.26 : 474,167.34 = 198,395.18 : x - Step 2: Convert to fraction form
343,583.26/474,167.34 = 198,395.18/x - Step 3: Cross multiply
343,583.26x = 474,167.34 × 198,395.18 - Step 4: Simplify right side
343,583.26x = 94,072,514,769.42 - Step 5: Solve for x
x = 94,072,514,769.42/343,583.26 - Step 6: Final answer
x = 273,798.31
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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.