Finding the Fourth Proportional to 339,575.04, 509,362.56 and 129,163.68
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Solution
The fourth proportional to 339,575.04, 509,362.56 and 129,163.68 is: 193,745.52
Step by Step Solution
- Step 1: Write the proportion equation
339,575.04 : 509,362.56 = 129,163.68 : x - Step 2: Convert to fraction form
339,575.04/509,362.56 = 129,163.68/x - Step 3: Cross multiply
339,575.04x = 509,362.56 × 129,163.68 - Step 4: Simplify right side
339,575.04x = 65,791,142,703.82 - Step 5: Solve for x
x = 65,791,142,703.82/339,575.04 - Step 6: Final answer
x = 193,745.52
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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.