Finding the Fourth Proportional to 631,571.67, 871,569.09 and 341,183.31
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Solution
The fourth proportional to 631,571.67, 871,569.09 and 341,183.31 is: 470,833.07
Step by Step Solution
- Step 1: Write the proportion equation
631,571.67 : 871,569.09 = 341,183.31 : x - Step 2: Convert to fraction form
631,571.67/871,569.09 = 341,183.31/x - Step 3: Cross multiply
631,571.67x = 871,569.09 × 341,183.31 - Step 4: Simplify right side
631,571.67x = 297,364,827,019.89 - Step 5: Solve for x
x = 297,364,827,019.89/631,571.67 - Step 6: Final answer
x = 470,833.07
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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.