Finding the Fourth Proportional to 324,916.92, 487,196.96 and 100,215
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Solution
The fourth proportional to 324,916.92, 487,196.96 and 100,215 is: 150,267.47
Step by Step Solution
- Step 1: Write the proportion equation
324,916.92 : 487,196.96 = 100,215 : x - Step 2: Convert to fraction form
324,916.92/487,196.96 = 100,215/x - Step 3: Cross multiply
324,916.92x = 487,196.96 × 100,215 - Step 4: Simplify right side
324,916.92x = 48,824,442,845.33 - Step 5: Solve for x
x = 48,824,442,845.33/324,916.92 - Step 6: Final answer
x = 150,267.47
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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.