Finding the Fourth Proportional to 216,010.22, 298,108.44 and 120,518.99
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Solution
The fourth proportional to 216,010.22, 298,108.44 and 120,518.99 is: 166,324.20
Step by Step Solution
- Step 1: Write the proportion equation
216,010.22 : 298,108.44 = 120,518.99 : x - Step 2: Convert to fraction form
216,010.22/298,108.44 = 120,518.99/x - Step 3: Cross multiply
216,010.22x = 298,108.44 × 120,518.99 - Step 4: Simplify right side
216,010.22x = 35,927,726,006.14 - Step 5: Solve for x
x = 35,927,726,006.14/216,010.22 - Step 6: Final answer
x = 166,324.20
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1.5x scale
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.