Finding the Fourth Proportional to 242,414.73, 334,531.49 and 134,986.05
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Solution
The fourth proportional to 242,414.73, 334,531.49 and 134,986.05 is: 186,280.28
Step by Step Solution
- Step 1: Write the proportion equation
242,414.73 : 334,531.49 = 134,986.05 : x - Step 2: Convert to fraction form
242,414.73/334,531.49 = 134,986.05/x - Step 3: Cross multiply
242,414.73x = 334,531.49 × 134,986.05 - Step 4: Simplify right side
242,414.73x = 45,157,083,760.78 - Step 5: Solve for x
x = 45,157,083,760.78/242,414.73 - Step 6: Final answer
x = 186,280.28
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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.