Finding the Fourth Proportional to 371,522.16, 513,122.12 and 250,455.44
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Solution
The fourth proportional to 371,522.16, 513,122.12 and 250,455.44 is: 345,912.68
Step by Step Solution
- Step 1: Write the proportion equation
371,522.16 : 513,122.12 = 250,455.44 : x - Step 2: Convert to fraction form
371,522.16/513,122.12 = 250,455.44/x - Step 3: Cross multiply
371,522.16x = 513,122.12 × 250,455.44 - Step 4: Simplify right side
371,522.16x = 128,514,226,338.33 - Step 5: Solve for x
x = 128,514,226,338.33/371,522.16 - Step 6: Final answer
x = 345,912.68
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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.