Finding the Fourth Proportional to 358,536.09, 494,761.05 and 197,359.68
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Solution
The fourth proportional to 358,536.09, 494,761.05 and 197,359.68 is: 272,346.03
Step by Step Solution
- Step 1: Write the proportion equation
358,536.09 : 494,761.05 = 197,359.68 : x - Step 2: Convert to fraction form
358,536.09/494,761.05 = 197,359.68/x - Step 3: Cross multiply
358,536.09x = 494,761.05 × 197,359.68 - Step 4: Simplify right side
358,536.09x = 97,645,882,504.46 - Step 5: Solve for x
x = 97,645,882,504.46/358,536.09 - Step 6: Final answer
x = 272,346.03
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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.