Finding the Fourth Proportional to 339,520.09, 468,546.08 and 186,557.06
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Solution
The fourth proportional to 339,520.09, 468,546.08 and 186,557.06 is: 257,453.33
Step by Step Solution
- Step 1: Write the proportion equation
339,520.09 : 468,546.08 = 186,557.06 : x - Step 2: Convert to fraction form
339,520.09/468,546.08 = 186,557.06/x - Step 3: Cross multiply
339,520.09x = 468,546.08 × 186,557.06 - Step 4: Simplify right side
339,520.09x = 87,410,579,159.32 - Step 5: Solve for x
x = 87,410,579,159.32/339,520.09 - Step 6: Final answer
x = 257,453.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.