Finding the Fourth Proportional to 366,912.99, 550,424.13 and 130,235.85
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Solution
The fourth proportional to 366,912.99, 550,424.13 and 130,235.85 is: 195,373.17
Step by Step Solution
- Step 1: Write the proportion equation
366,912.99 : 550,424.13 = 130,235.85 : x - Step 2: Convert to fraction form
366,912.99/550,424.13 = 130,235.85/x - Step 3: Cross multiply
366,912.99x = 550,424.13 × 130,235.85 - Step 4: Simplify right side
366,912.99x = 71,684,954,431.06 - Step 5: Solve for x
x = 71,684,954,431.06/366,912.99 - Step 6: Final answer
x = 195,373.17
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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.