Finding the Fourth Proportional to 358,270.74, 494,425.53 and 197,137.62
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Solution
The fourth proportional to 358,270.74, 494,425.53 and 197,137.62 is: 272,056.47
Step by Step Solution
- Step 1: Write the proportion equation
358,270.74 : 494,425.53 = 197,137.62 : x - Step 2: Convert to fraction form
358,270.74/494,425.53 = 197,137.62/x - Step 3: Cross multiply
358,270.74x = 494,425.53 × 197,137.62 - Step 4: Simplify right side
358,270.74x = 97,469,872,251.44 - Step 5: Solve for x
x = 97,469,872,251.44/358,270.74 - Step 6: Final answer
x = 272,056.47
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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.