Finding the Fourth Proportional to 170,258.46, 234,850.17 and 122,436.06
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Solution
The fourth proportional to 170,258.46, 234,850.17 and 122,436.06 is: 168,885.17
Step by Step Solution
- Step 1: Write the proportion equation
170,258.46 : 234,850.17 = 122,436.06 : x - Step 2: Convert to fraction form
170,258.46/234,850.17 = 122,436.06/x - Step 3: Cross multiply
170,258.46x = 234,850.17 × 122,436.06 - Step 4: Simplify right side
170,258.46x = 28,754,129,505.13 - Step 5: Solve for x
x = 28,754,129,505.13/170,258.46 - Step 6: Final answer
x = 168,885.17
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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.