Finding the Fourth Proportional to 274,720.80, 412,129.80 and 97,330.80
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Solution
The fourth proportional to 274,720.80, 412,129.80 and 97,330.80 is: 146,013.42
Step by Step Solution
- Step 1: Write the proportion equation
274,720.80 : 412,129.80 = 97,330.80 : x - Step 2: Convert to fraction form
274,720.80/412,129.80 = 97,330.80/x - Step 3: Cross multiply
274,720.80x = 412,129.80 × 97,330.80 - Step 4: Simplify right side
274,720.80x = 40,112,923,137.84 - Step 5: Solve for x
x = 40,112,923,137.84/274,720.80 - Step 6: Final answer
x = 146,013.42
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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.