Finding the Fourth Proportional to 312,803.97, 466,916.76 and 268,714.05
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Solution
The fourth proportional to 312,803.97, 466,916.76 and 268,714.05 is: 401,104.54
Step by Step Solution
- Step 1: Write the proportion equation
312,803.97 : 466,916.76 = 268,714.05 : x - Step 2: Convert to fraction form
312,803.97/466,916.76 = 268,714.05/x - Step 3: Cross multiply
312,803.97x = 466,916.76 × 268,714.05 - Step 4: Simplify right side
312,803.97x = 125,467,093,592.48 - Step 5: Solve for x
x = 125,467,093,592.48/312,803.97 - Step 6: Final answer
x = 401,104.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.