Finding the Fourth Proportional to 190,193.01, 285,317.33 and 57,083.79
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Solution
The fourth proportional to 190,193.01, 285,317.33 and 57,083.79 is: 85,634.03
Step by Step Solution
- Step 1: Write the proportion equation
190,193.01 : 285,317.33 = 57,083.79 : x - Step 2: Convert to fraction form
190,193.01/285,317.33 = 57,083.79/x - Step 3: Cross multiply
190,193.01x = 285,317.33 × 57,083.79 - Step 4: Simplify right side
190,193.01x = 16,286,994,549.08 - Step 5: Solve for x
x = 16,286,994,549.08/190,193.01 - Step 6: Final answer
x = 85,634.03
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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.