Finding the Fourth Proportional to 339,208.03, 508,146.99 and 196,754.05
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Solution
The fourth proportional to 339,208.03, 508,146.99 and 196,754.05 is: 294,745.32
Step by Step Solution
- Step 1: Write the proportion equation
339,208.03 : 508,146.99 = 196,754.05 : x - Step 2: Convert to fraction form
339,208.03/508,146.99 = 196,754.05/x - Step 3: Cross multiply
339,208.03x = 508,146.99 × 196,754.05 - Step 4: Simplify right side
339,208.03x = 99,979,978,277.81 - Step 5: Solve for x
x = 99,979,978,277.81/339,208.03 - Step 6: Final answer
x = 294,745.32
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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.