Finding the Fourth Proportional to 358,474.20, 494,708.48 and 197,344.23
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Solution
The fourth proportional to 358,474.20, 494,708.48 and 197,344.23 is: 272,342.79
Step by Step Solution
- Step 1: Write the proportion equation
358,474.20 : 494,708.48 = 197,344.23 : x - Step 2: Convert to fraction form
358,474.20/494,708.48 = 197,344.23/x - Step 3: Cross multiply
358,474.20x = 494,708.48 × 197,344.23 - Step 4: Simplify right side
358,474.20x = 97,627,864,060.07 - Step 5: Solve for x
x = 97,627,864,060.07/358,474.20 - Step 6: Final answer
x = 272,342.79
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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.