Finding the Fourth Proportional to 190,590.17, 285,775.90 and 72,185.99
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Solution
The fourth proportional to 190,590.17, 285,775.90 and 72,185.99 is: 108,237.56
Step by Step Solution
- Step 1: Write the proportion equation
190,590.17 : 285,775.90 = 72,185.99 : x - Step 2: Convert to fraction form
190,590.17/285,775.90 = 72,185.99/x - Step 3: Cross multiply
190,590.17x = 285,775.90 × 72,185.99 - Step 4: Simplify right side
190,590.17x = 20,629,014,650.30 - Step 5: Solve for x
x = 20,629,014,650.30/190,590.17 - Step 6: Final answer
x = 108,237.56
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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.