Finding the Fourth Proportional to 656,168.17, 905,511.99 and 354,362.17
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Solution
The fourth proportional to 656,168.17, 905,511.99 and 354,362.17 is: 489,019.75
Step by Step Solution
- Step 1: Write the proportion equation
656,168.17 : 905,511.99 = 354,362.17 : x - Step 2: Convert to fraction form
656,168.17/905,511.99 = 354,362.17/x - Step 3: Cross multiply
656,168.17x = 905,511.99 × 354,362.17 - Step 4: Simplify right side
656,168.17x = 320,879,193,737.42 - Step 5: Solve for x
x = 320,879,193,737.42/656,168.17 - Step 6: Final answer
x = 489,019.75
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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.