Finding the Fourth Proportional to 247,921.08, 371,906.22 and 79,399.08
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Solution
The fourth proportional to 247,921.08, 371,906.22 and 79,399.08 is: 119,106.50
Step by Step Solution
- Step 1: Write the proportion equation
247,921.08 : 371,906.22 = 79,399.08 : x - Step 2: Convert to fraction form
247,921.08/371,906.22 = 79,399.08/x - Step 3: Cross multiply
247,921.08x = 371,906.22 × 79,399.08 - Step 4: Simplify right side
247,921.08x = 29,529,011,714.28 - Step 5: Solve for x
x = 29,529,011,714.28/247,921.08 - Step 6: Final answer
x = 119,106.50
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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.