Finding the Fourth Proportional to 398,019.63, 597,028.08 and 161,361.75
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Solution
The fourth proportional to 398,019.63, 597,028.08 and 161,361.75 is: 242,042.07
Step by Step Solution
- Step 1: Write the proportion equation
398,019.63 : 597,028.08 = 161,361.75 : x - Step 2: Convert to fraction form
398,019.63/597,028.08 = 161,361.75/x - Step 3: Cross multiply
398,019.63x = 597,028.08 × 161,361.75 - Step 4: Simplify right side
398,019.63x = 96,337,495,787.94 - Step 5: Solve for x
x = 96,337,495,787.94/398,019.63 - Step 6: Final answer
x = 242,042.07
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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.