Finding the Fourth Proportional to 361,531.68, 498,943.56 and 200,437.26
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Solution
The fourth proportional to 361,531.68, 498,943.56 and 200,437.26 is: 276,619.96
Step by Step Solution
- Step 1: Write the proportion equation
361,531.68 : 498,943.56 = 200,437.26 : x - Step 2: Convert to fraction form
361,531.68/498,943.56 = 200,437.26/x - Step 3: Cross multiply
361,531.68x = 498,943.56 × 200,437.26 - Step 4: Simplify right side
361,531.68x = 100,006,880,061.05 - Step 5: Solve for x
x = 100,006,880,061.05/361,531.68 - Step 6: Final answer
x = 276,619.96
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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.