Finding the Fourth Proportional to 113,449.80, 170,174.70 and 97,897.80
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Solution
The fourth proportional to 113,449.80, 170,174.70 and 97,897.80 is: 146,846.70
Step by Step Solution
- Step 1: Write the proportion equation
113,449.80 : 170,174.70 = 97,897.80 : x - Step 2: Convert to fraction form
113,449.80/170,174.70 = 97,897.80/x - Step 3: Cross multiply
113,449.80x = 170,174.70 × 97,897.80 - Step 4: Simplify right side
113,449.80x = 16,659,728,745.66 - Step 5: Solve for x
x = 16,659,728,745.66/113,449.80 - Step 6: Final answer
x = 146,846.70
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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.