Finding the Fourth Proportional to 268,176.30, 402,351.84 and 127,916.70
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Solution
The fourth proportional to 268,176.30, 402,351.84 and 127,916.70 is: 191,916.73
Step by Step Solution
- Step 1: Write the proportion equation
268,176.30 : 402,351.84 = 127,916.70 : x - Step 2: Convert to fraction form
268,176.30/402,351.84 = 127,916.70/x - Step 3: Cross multiply
268,176.30x = 402,351.84 × 127,916.70 - Step 4: Simplify right side
268,176.30x = 51,467,519,611.73 - Step 5: Solve for x
x = 51,467,519,611.73/268,176.30 - Step 6: Final answer
x = 191,916.73
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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.