Finding the Fourth Proportional to 354,362.36, 489,028.12 and 201,376.44
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Solution
The fourth proportional to 354,362.36, 489,028.12 and 201,376.44 is: 277,904.07
Step by Step Solution
- Step 1: Write the proportion equation
354,362.36 : 489,028.12 = 201,376.44 : x - Step 2: Convert to fraction form
354,362.36/489,028.12 = 201,376.44/x - Step 3: Cross multiply
354,362.36x = 489,028.12 × 201,376.44 - Step 4: Simplify right side
354,362.36x = 98,478,741,362.05 - Step 5: Solve for x
x = 98,478,741,362.05/354,362.36 - Step 6: Final answer
x = 277,904.07
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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.