Finding the Fourth Proportional to 327,702.87, 491,745.36 and 138,151.63
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Solution
The fourth proportional to 327,702.87, 491,745.36 and 138,151.63 is: 207,307.99
Step by Step Solution
- Step 1: Write the proportion equation
327,702.87 : 491,745.36 = 138,151.63 : x - Step 2: Convert to fraction form
327,702.87/491,745.36 = 138,151.63/x - Step 3: Cross multiply
327,702.87x = 491,745.36 × 138,151.63 - Step 4: Simplify right side
327,702.87x = 67,935,423,028.94 - Step 5: Solve for x
x = 67,935,423,028.94/327,702.87 - Step 6: Final answer
x = 207,307.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.