Finding the Fourth Proportional to 397,226.58, 548,349.39 and 236,133.78
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Solution
The fourth proportional to 397,226.58, 548,349.39 and 236,133.78 is: 325,969.66
Step by Step Solution
- Step 1: Write the proportion equation
397,226.58 : 548,349.39 = 236,133.78 : x - Step 2: Convert to fraction form
397,226.58/548,349.39 = 236,133.78/x - Step 3: Cross multiply
397,226.58x = 548,349.39 × 236,133.78 - Step 4: Simplify right side
397,226.58x = 129,483,814,221.39 - Step 5: Solve for x
x = 129,483,814,221.39/397,226.58 - Step 6: Final answer
x = 325,969.66
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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.