Finding the Fourth Proportional to 200,342.02, 276,469.42 and 115,466.98
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Solution
The fourth proportional to 200,342.02, 276,469.42 and 115,466.98 is: 159,342.95
Step by Step Solution
- Step 1: Write the proportion equation
200,342.02 : 276,469.42 = 115,466.98 : x - Step 2: Convert to fraction form
200,342.02/276,469.42 = 115,466.98/x - Step 3: Cross multiply
200,342.02x = 276,469.42 × 115,466.98 - Step 4: Simplify right side
200,342.02x = 31,923,087,318.74 - Step 5: Solve for x
x = 31,923,087,318.74/200,342.02 - Step 6: Final answer
x = 159,342.95
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1.5x scale
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.