Finding the Fourth Proportional to 284,486.18, 426,729.87 and 115,960.82
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Solution
The fourth proportional to 284,486.18, 426,729.87 and 115,960.82 is: 173,941.47
Step by Step Solution
- Step 1: Write the proportion equation
284,486.18 : 426,729.87 = 115,960.82 : x - Step 2: Convert to fraction form
284,486.18/426,729.87 = 115,960.82/x - Step 3: Cross multiply
284,486.18x = 426,729.87 × 115,960.82 - Step 4: Simplify right side
284,486.18x = 49,483,943,510.04 - Step 5: Solve for x
x = 49,483,943,510.04/284,486.18 - Step 6: Final answer
x = 173,941.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.