Finding the Fourth Proportional to 284,241.44, 392,246.84 and 155,174.94
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Solution
The fourth proportional to 284,241.44, 392,246.84 and 155,174.94 is: 214,137.95
Step by Step Solution
- Step 1: Write the proportion equation
284,241.44 : 392,246.84 = 155,174.94 : x - Step 2: Convert to fraction form
284,241.44/392,246.84 = 155,174.94/x - Step 3: Cross multiply
284,241.44x = 392,246.84 × 155,174.94 - Step 4: Simplify right side
284,241.44x = 60,866,879,862.19 - Step 5: Solve for x
x = 60,866,879,862.19/284,241.44 - Step 6: Final answer
x = 214,137.95
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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.