Finding the Fourth Proportional to 382,153.88, 573,232.18 and 115,916.70
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Solution
The fourth proportional to 382,153.88, 573,232.18 and 115,916.70 is: 173,875.46
Step by Step Solution
- Step 1: Write the proportion equation
382,153.88 : 573,232.18 = 115,916.70 : x - Step 2: Convert to fraction form
382,153.88/573,232.18 = 115,916.70/x - Step 3: Cross multiply
382,153.88x = 573,232.18 × 115,916.70 - Step 4: Simplify right side
382,153.88x = 66,447,182,639.41 - Step 5: Solve for x
x = 66,447,182,639.41/382,153.88 - Step 6: Final answer
x = 173,875.46
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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.