Finding the Fourth Proportional to 343,531.26, 474,073.29 and 209,395.26
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Solution
The fourth proportional to 343,531.26, 474,073.29 and 209,395.26 is: 288,965.55
Step by Step Solution
- Step 1: Write the proportion equation
343,531.26 : 474,073.29 = 209,395.26 : x - Step 2: Convert to fraction form
343,531.26/474,073.29 = 209,395.26/x - Step 3: Cross multiply
343,531.26x = 474,073.29 × 209,395.26 - Step 4: Simplify right side
343,531.26x = 99,268,699,818.61 - Step 5: Solve for x
x = 99,268,699,818.61/343,531.26 - Step 6: Final answer
x = 288,965.55
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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.