Finding the Fourth Proportional to 377,916.26, 521,534.32 and 205,840.75
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Solution
The fourth proportional to 377,916.26, 521,534.32 and 205,840.75 is: 284,065.62
Step by Step Solution
- Step 1: Write the proportion equation
377,916.26 : 521,534.32 = 205,840.75 : x - Step 2: Convert to fraction form
377,916.26/521,534.32 = 205,840.75/x - Step 3: Cross multiply
377,916.26x = 521,534.32 × 205,840.75 - Step 4: Simplify right side
377,916.26x = 107,353,015,579.54 - Step 5: Solve for x
x = 107,353,015,579.54/377,916.26 - Step 6: Final answer
x = 284,065.62
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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.