Finding the Fourth Proportional to 184,046.80, 253,876.32 and 115,943.62
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Solution
The fourth proportional to 184,046.80, 253,876.32 and 115,943.62 is: 159,933.99
Step by Step Solution
- Step 1: Write the proportion equation
184,046.80 : 253,876.32 = 115,943.62 : x - Step 2: Convert to fraction form
184,046.80/253,876.32 = 115,943.62/x - Step 3: Cross multiply
184,046.80x = 253,876.32 × 115,943.62 - Step 4: Simplify right side
184,046.80x = 29,435,339,573.08 - Step 5: Solve for x
x = 29,435,339,573.08/184,046.80 - Step 6: Final answer
x = 159,933.99
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1.5x scale
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.