Finding the Fourth Proportional to 613,971.84, 921,082.32 and 193,149.84
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Solution
The fourth proportional to 613,971.84, 921,082.32 and 193,149.84 is: 289,763.95
Step by Step Solution
- Step 1: Write the proportion equation
613,971.84 : 921,082.32 = 193,149.84 : x - Step 2: Convert to fraction form
613,971.84/921,082.32 = 193,149.84/x - Step 3: Cross multiply
613,971.84x = 921,082.32 × 193,149.84 - Step 4: Simplify right side
613,971.84x = 177,906,902,734.83 - Step 5: Solve for x
x = 177,906,902,734.83/613,971.84 - Step 6: Final answer
x = 289,763.95
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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.