Finding the Fourth Proportional to 353,974.23, 488,487.79 and 201,015.60
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Solution
The fourth proportional to 353,974.23, 488,487.79 and 201,015.60 is: 277,403.43
Step by Step Solution
- Step 1: Write the proportion equation
353,974.23 : 488,487.79 = 201,015.60 : x - Step 2: Convert to fraction form
353,974.23/488,487.79 = 201,015.60/x - Step 3: Cross multiply
353,974.23x = 488,487.79 × 201,015.60 - Step 4: Simplify right side
353,974.23x = 98,193,665,427.48 - Step 5: Solve for x
x = 98,193,665,427.48/353,974.23 - Step 6: Final answer
x = 277,403.43
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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.