Finding the Fourth Proportional to 355,087.40, 532,832.99 and 130,418.91
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Solution
The fourth proportional to 355,087.40, 532,832.99 and 130,418.91 is: 195,702.52
Step by Step Solution
- Step 1: Write the proportion equation
355,087.40 : 532,832.99 = 130,418.91 : x - Step 2: Convert to fraction form
355,087.40/532,832.99 = 130,418.91/x - Step 3: Cross multiply
355,087.40x = 532,832.99 × 130,418.91 - Step 4: Simplify right side
355,087.40x = 69,491,497,115.75 - Step 5: Solve for x
x = 69,491,497,115.75/355,087.40 - Step 6: Final answer
x = 195,702.52
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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.