Finding the Fourth Proportional to 358,378.66, 494,552.05 and 197,233.62
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Solution
The fourth proportional to 358,378.66, 494,552.05 and 197,233.62 is: 272,176.62
Step by Step Solution
- Step 1: Write the proportion equation
358,378.66 : 494,552.05 = 197,233.62 : x - Step 2: Convert to fraction form
358,378.66/494,552.05 = 197,233.62/x - Step 3: Cross multiply
358,378.66x = 494,552.05 × 197,233.62 - Step 4: Simplify right side
358,378.66x = 97,542,291,099.92 - Step 5: Solve for x
x = 97,542,291,099.92/358,378.66 - Step 6: Final answer
x = 272,176.62
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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.