Finding the Fourth Proportional to 416,427.30, 624,932.55 and 179,939.70
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Solution
The fourth proportional to 416,427.30, 624,932.55 and 179,939.70 is: 270,035.55
Step by Step Solution
- Step 1: Write the proportion equation
416,427.30 : 624,932.55 = 179,939.70 : x - Step 2: Convert to fraction form
416,427.30/624,932.55 = 179,939.70/x - Step 3: Cross multiply
416,427.30x = 624,932.55 × 179,939.70 - Step 4: Simplify right side
416,427.30x = 112,450,175,567.24 - Step 5: Solve for x
x = 112,450,175,567.24/416,427.30 - Step 6: Final answer
x = 270,035.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.