Finding the Fourth Proportional to 381,957.05, 526,916.44 and 254,469.53
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Solution
The fourth proportional to 381,957.05, 526,916.44 and 254,469.53 is: 351,045.17
Step by Step Solution
- Step 1: Write the proportion equation
381,957.05 : 526,916.44 = 254,469.53 : x - Step 2: Convert to fraction form
381,957.05/526,916.44 = 254,469.53/x - Step 3: Cross multiply
381,957.05x = 526,916.44 × 254,469.53 - Step 4: Simplify right side
381,957.05x = 134,084,179,517.19 - Step 5: Solve for x
x = 134,084,179,517.19/381,957.05 - Step 6: Final answer
x = 351,045.17
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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.