Finding the Fourth Proportional to 114,543.11, 171,745.63 and 51,351.80
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Solution
The fourth proportional to 114,543.11, 171,745.63 and 51,351.80 is: 76,996.75
Step by Step Solution
- Step 1: Write the proportion equation
114,543.11 : 171,745.63 = 51,351.80 : x - Step 2: Convert to fraction form
114,543.11/171,745.63 = 51,351.80/x - Step 3: Cross multiply
114,543.11x = 171,745.63 × 51,351.80 - Step 4: Simplify right side
114,543.11x = 8,819,447,114.25 - Step 5: Solve for x
x = 8,819,447,114.25/114,543.11 - Step 6: Final answer
x = 76,996.75
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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.