Finding the Fourth Proportional to 358,537.64, 494,772.90 and 197,391.08
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Solution
The fourth proportional to 358,537.64, 494,772.90 and 197,391.08 is: 272,394.71
Step by Step Solution
- Step 1: Write the proportion equation
358,537.64 : 494,772.90 = 197,391.08 : x - Step 2: Convert to fraction form
358,537.64/494,772.90 = 197,391.08/x - Step 3: Cross multiply
358,537.64x = 494,772.90 × 197,391.08 - Step 4: Simplify right side
358,537.64x = 97,663,757,085.73 - Step 5: Solve for x
x = 97,663,757,085.73/358,537.64 - Step 6: Final answer
x = 272,394.71
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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.