Finding the Fourth Proportional to 207,414.36, 285,629.46 and 180,177.98
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Solution
The fourth proportional to 207,414.36, 285,629.46 and 180,177.98 is: 248,122.35
Step by Step Solution
- Step 1: Write the proportion equation
207,414.36 : 285,629.46 = 180,177.98 : x - Step 2: Convert to fraction form
207,414.36/285,629.46 = 180,177.98/x - Step 3: Cross multiply
207,414.36x = 285,629.46 × 180,177.98 - Step 4: Simplify right side
207,414.36x = 51,464,139,131.29 - Step 5: Solve for x
x = 51,464,139,131.29/207,414.36 - Step 6: Final answer
x = 248,122.35
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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.