Finding the Fourth Proportional to 451,858.62, 623,571.25 and 247,905.83
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Solution
The fourth proportional to 451,858.62, 623,571.25 and 247,905.83 is: 342,113.53
Step by Step Solution
- Step 1: Write the proportion equation
451,858.62 : 623,571.25 = 247,905.83 : x - Step 2: Convert to fraction form
451,858.62/623,571.25 = 247,905.83/x - Step 3: Cross multiply
451,858.62x = 623,571.25 × 247,905.83 - Step 4: Simplify right side
451,858.62x = 154,586,947,825.81 - Step 5: Solve for x
x = 154,586,947,825.81/451,858.62 - Step 6: Final answer
x = 342,113.53
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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.