Finding the Fourth Proportional to 358,435.08, 494,636.49 and 197,286.66
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Solution
The fourth proportional to 358,435.08, 494,636.49 and 197,286.66 is: 272,253.43
Step by Step Solution
- Step 1: Write the proportion equation
358,435.08 : 494,636.49 = 197,286.66 : x - Step 2: Convert to fraction form
358,435.08/494,636.49 = 197,286.66/x - Step 3: Cross multiply
358,435.08x = 494,636.49 × 197,286.66 - Step 4: Simplify right side
358,435.08x = 97,585,181,026.22 - Step 5: Solve for x
x = 97,585,181,026.22/358,435.08 - Step 6: Final answer
x = 272,253.43
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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.