Finding the Fourth Proportional to 397,240.08, 548,368.02 and 236,147.28
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Solution
The fourth proportional to 397,240.08, 548,368.02 and 236,147.28 is: 325,988.29
Step by Step Solution
- Step 1: Write the proportion equation
397,240.08 : 548,368.02 = 236,147.28 : x - Step 2: Convert to fraction form
397,240.08/548,368.02 = 236,147.28/x - Step 3: Cross multiply
397,240.08x = 548,368.02 × 236,147.28 - Step 4: Simplify right side
397,240.08x = 129,495,616,361.99 - Step 5: Solve for x
x = 129,495,616,361.99/397,240.08 - Step 6: Final answer
x = 325,988.29
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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.