Finding the Fourth Proportional to 358,637.62, 494,909.09 and 197,493.54
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Solution
The fourth proportional to 358,637.62, 494,909.09 and 197,493.54 is: 272,535.12
Step by Step Solution
- Step 1: Write the proportion equation
358,637.62 : 494,909.09 = 197,493.54 : x - Step 2: Convert to fraction form
358,637.62/494,909.09 = 197,493.54/x - Step 3: Cross multiply
358,637.62x = 494,909.09 × 197,493.54 - Step 4: Simplify right side
358,637.62x = 97,741,347,174.81 - Step 5: Solve for x
x = 97,741,347,174.81/358,637.62 - Step 6: Final answer
x = 272,535.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.