Finding the Fourth Proportional to 160,018.97, 220,825.49 and 88,398.99
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Solution
The fourth proportional to 160,018.97, 220,825.49 and 88,398.99 is: 121,990.23
Step by Step Solution
- Step 1: Write the proportion equation
160,018.97 : 220,825.49 = 88,398.99 : x - Step 2: Convert to fraction form
160,018.97/220,825.49 = 88,398.99/x - Step 3: Cross multiply
160,018.97x = 220,825.49 × 88,398.99 - Step 4: Simplify right side
160,018.97x = 19,520,749,840.26 - Step 5: Solve for x
x = 19,520,749,840.26/160,018.97 - Step 6: Final answer
x = 121,990.23
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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.