Finding the Fourth Proportional to 395,195.78, 592,792.79 and 305,369.12
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Solution
The fourth proportional to 395,195.78, 592,792.79 and 305,369.12 is: 458,052.99
Step by Step Solution
- Step 1: Write the proportion equation
395,195.78 : 592,792.79 = 305,369.12 : x - Step 2: Convert to fraction form
395,195.78/592,792.79 = 305,369.12/x - Step 3: Cross multiply
395,195.78x = 592,792.79 × 305,369.12 - Step 4: Simplify right side
395,195.78x = 181,020,608,133.84 - Step 5: Solve for x
x = 181,020,608,133.84/395,195.78 - Step 6: Final answer
x = 458,052.99
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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.