Finding the Fourth Proportional to 160,014.88, 220,812.37 and 88,381.05
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Solution
The fourth proportional to 160,014.88, 220,812.37 and 88,381.05 is: 121,961.34
Step by Step Solution
- Step 1: Write the proportion equation
160,014.88 : 220,812.37 = 88,381.05 : x - Step 2: Convert to fraction form
160,014.88/220,812.37 = 88,381.05/x - Step 3: Cross multiply
160,014.88x = 220,812.37 × 88,381.05 - Step 4: Simplify right side
160,014.88x = 19,515,629,113.59 - Step 5: Solve for x
x = 19,515,629,113.59/160,014.88 - Step 6: Final answer
x = 121,961.34
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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.