Finding the Fourth Proportional to 358,537.82, 494,772.62 and 197,394.08
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Solution
The fourth proportional to 358,537.82, 494,772.62 and 197,394.08 is: 272,398.55
Step by Step Solution
- Step 1: Write the proportion equation
358,537.82 : 494,772.62 = 197,394.08 : x - Step 2: Convert to fraction form
358,537.82/494,772.62 = 197,394.08/x - Step 3: Cross multiply
358,537.82x = 494,772.62 × 197,394.08 - Step 4: Simplify right side
358,537.82x = 97,665,182,673.26 - Step 5: Solve for x
x = 97,665,182,673.26/358,537.82 - Step 6: Final answer
x = 272,398.55
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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.