Finding the Fourth Proportional to 398,768.20, 597,911.31 and 158,918.99
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Solution
The fourth proportional to 398,768.20, 597,911.31 and 158,918.99 is: 238,282.44
Step by Step Solution
- Step 1: Write the proportion equation
398,768.20 : 597,911.31 = 158,918.99 : x - Step 2: Convert to fraction form
398,768.20/597,911.31 = 158,918.99/x - Step 3: Cross multiply
398,768.20x = 597,911.31 × 158,918.99 - Step 4: Simplify right side
398,768.20x = 95,019,458,505.22 - Step 5: Solve for x
x = 95,019,458,505.22/398,768.20 - Step 6: Final answer
x = 238,282.44
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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.