Finding the Fourth Proportional to 397,236.08, 548,362.50 and 236,143.28
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Solution
The fourth proportional to 397,236.08, 548,362.50 and 236,143.28 is: 325,982.77
Step by Step Solution
- Step 1: Write the proportion equation
397,236.08 : 548,362.50 = 236,143.28 : x - Step 2: Convert to fraction form
397,236.08/548,362.50 = 236,143.28/x - Step 3: Cross multiply
397,236.08x = 548,362.50 × 236,143.28 - Step 4: Simplify right side
397,236.08x = 129,492,119,379 - Step 5: Solve for x
x = 129,492,119,379/397,236.08 - Step 6: Final answer
x = 325,982.77
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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.