Finding the Fourth Proportional to 163,236.49, 225,266.36 and 91,616.52
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Solution
The fourth proportional to 163,236.49, 225,266.36 and 91,616.52 is: 126,430.80
Step by Step Solution
- Step 1: Write the proportion equation
163,236.49 : 225,266.36 = 91,616.52 : x - Step 2: Convert to fraction form
163,236.49/225,266.36 = 91,616.52/x - Step 3: Cross multiply
163,236.49x = 225,266.36 × 91,616.52 - Step 4: Simplify right side
163,236.49x = 20,638,119,976.27 - Step 5: Solve for x
x = 20,638,119,976.27/163,236.49 - Step 6: Final answer
x = 126,430.80
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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.