Finding the Fourth Proportional to 276,916.98, 382,144.95 and 149,592.18
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Solution
The fourth proportional to 276,916.98, 382,144.95 and 149,592.18 is: 206,436.95
Step by Step Solution
- Step 1: Write the proportion equation
276,916.98 : 382,144.95 = 149,592.18 : x - Step 2: Convert to fraction form
276,916.98/382,144.95 = 149,592.18/x - Step 3: Cross multiply
276,916.98x = 382,144.95 × 149,592.18 - Step 4: Simplify right side
276,916.98x = 57,165,896,146.49 - Step 5: Solve for x
x = 57,165,896,146.49/276,916.98 - Step 6: Final answer
x = 206,436.95
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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.