Finding the Fourth Proportional to 274,715.70, 412,146.45 and 97,204.20
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Solution
The fourth proportional to 274,715.70, 412,146.45 and 97,204.20 is: 145,832.09
Step by Step Solution
- Step 1: Write the proportion equation
274,715.70 : 412,146.45 = 97,204.20 : x - Step 2: Convert to fraction form
274,715.70/412,146.45 = 97,204.20/x - Step 3: Cross multiply
274,715.70x = 412,146.45 × 97,204.20 - Step 4: Simplify right side
274,715.70x = 40,062,365,955.09 - Step 5: Solve for x
x = 40,062,365,955.09/274,715.70 - Step 6: Final answer
x = 145,832.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.