Finding the Fourth Proportional to 160,772.88, 221,806.92 and 97,087.44
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Solution
The fourth proportional to 160,772.88, 221,806.92 and 97,087.44 is: 133,944.64
Step by Step Solution
- Step 1: Write the proportion equation
160,772.88 : 221,806.92 = 97,087.44 : x - Step 2: Convert to fraction form
160,772.88/221,806.92 = 97,087.44/x - Step 3: Cross multiply
160,772.88x = 221,806.92 × 97,087.44 - Step 4: Simplify right side
160,772.88x = 21,534,666,037.08 - Step 5: Solve for x
x = 21,534,666,037.08/160,772.88 - Step 6: Final answer
x = 133,944.64
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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.