Finding the Fourth Proportional to 536,836.68, 804,664.49 and 221,121.36
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Solution
The fourth proportional to 536,836.68, 804,664.49 and 221,121.36 is: 331,438.80
Step by Step Solution
- Step 1: Write the proportion equation
536,836.68 : 804,664.49 = 221,121.36 : x - Step 2: Convert to fraction form
536,836.68/804,664.49 = 221,121.36/x - Step 3: Cross multiply
536,836.68x = 804,664.49 × 221,121.36 - Step 4: Simplify right side
536,836.68x = 177,928,505,266.90 - Step 5: Solve for x
x = 177,928,505,266.90/536,836.68 - Step 6: Final answer
x = 331,438.80
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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.