Finding the Fourth Proportional to 135,828.09, 203,662.35 and 41,029.74
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Solution
The fourth proportional to 135,828.09, 203,662.35 and 41,029.74 is: 61,520.51
Step by Step Solution
- Step 1: Write the proportion equation
135,828.09 : 203,662.35 = 41,029.74 : x - Step 2: Convert to fraction form
135,828.09/203,662.35 = 41,029.74/x - Step 3: Cross multiply
135,828.09x = 203,662.35 × 41,029.74 - Step 4: Simplify right side
135,828.09x = 8,356,213,268.29 - Step 5: Solve for x
x = 8,356,213,268.29/135,828.09 - Step 6: Final answer
x = 61,520.51
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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.