Finding the Fourth Proportional to 388,072.13, 582,110.82 and 148,121.33
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Solution
The fourth proportional to 388,072.13, 582,110.82 and 148,121.33 is: 222,182.99
Step by Step Solution
- Step 1: Write the proportion equation
388,072.13 : 582,110.82 = 148,121.33 : x - Step 2: Convert to fraction form
388,072.13/582,110.82 = 148,121.33/x - Step 3: Cross multiply
388,072.13x = 582,110.82 × 148,121.33 - Step 4: Simplify right side
388,072.13x = 86,223,025,955.24 - Step 5: Solve for x
x = 86,223,025,955.24/388,072.13 - Step 6: Final answer
x = 222,182.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.