Finding the Fourth Proportional to 370,537.90, 511,284.18 and 215,523.52
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Solution
The fourth proportional to 370,537.90, 511,284.18 and 215,523.52 is: 297,388.65
Step by Step Solution
- Step 1: Write the proportion equation
370,537.90 : 511,284.18 = 215,523.52 : x - Step 2: Convert to fraction form
370,537.90/511,284.18 = 215,523.52/x - Step 3: Cross multiply
370,537.90x = 511,284.18 × 215,523.52 - Step 4: Simplify right side
370,537.90x = 110,193,766,193.91 - Step 5: Solve for x
x = 110,193,766,193.91/370,537.90 - Step 6: Final answer
x = 297,388.65
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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.