Finding the Fourth Proportional to 416,616.49, 574,930.21 and 225,630.64
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Solution
The fourth proportional to 416,616.49, 574,930.21 and 225,630.64 is: 311,369.99
Step by Step Solution
- Step 1: Write the proportion equation
416,616.49 : 574,930.21 = 225,630.64 : x - Step 2: Convert to fraction form
416,616.49/574,930.21 = 225,630.64/x - Step 3: Cross multiply
416,616.49x = 574,930.21 × 225,630.64 - Step 4: Simplify right side
416,616.49x = 129,721,871,237.63 - Step 5: Solve for x
x = 129,721,871,237.63/416,616.49 - Step 6: Final answer
x = 311,369.99
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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.