Finding the Fourth Proportional to 284,386.14, 426,620.52 and 115,916.67
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Solution
The fourth proportional to 284,386.14, 426,620.52 and 115,916.67 is: 173,891.84
Step by Step Solution
- Step 1: Write the proportion equation
284,386.14 : 426,620.52 = 115,916.67 : x - Step 2: Convert to fraction form
284,386.14/426,620.52 = 115,916.67/x - Step 3: Cross multiply
284,386.14x = 426,620.52 × 115,916.67 - Step 4: Simplify right side
284,386.14x = 49,452,430,032.07 - Step 5: Solve for x
x = 49,452,430,032.07/284,386.14 - Step 6: Final answer
x = 173,891.84
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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.