Finding the Fourth Proportional to 398,465.67, 597,791.96 and 158,594.09
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Solution
The fourth proportional to 398,465.67, 597,791.96 and 158,594.09 is: 237,928.34
Step by Step Solution
- Step 1: Write the proportion equation
398,465.67 : 597,791.96 = 158,594.09 : x - Step 2: Convert to fraction form
398,465.67/597,791.96 = 158,594.09/x - Step 3: Cross multiply
398,465.67x = 597,791.96 × 158,594.09 - Step 4: Simplify right side
398,465.67x = 94,806,273,796.48 - Step 5: Solve for x
x = 94,806,273,796.48/398,465.67 - Step 6: Final answer
x = 237,928.34
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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.