Finding the Fourth Proportional to 113,268.38, 169,796.39 and 38,336.09
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Solution
The fourth proportional to 113,268.38, 169,796.39 and 38,336.09 is: 57,468.19
Step by Step Solution
- Step 1: Write the proportion equation
113,268.38 : 169,796.39 = 38,336.09 : x - Step 2: Convert to fraction form
113,268.38/169,796.39 = 38,336.09/x - Step 3: Cross multiply
113,268.38x = 169,796.39 × 38,336.09 - Step 4: Simplify right side
113,268.38x = 6,509,328,648.05 - Step 5: Solve for x
x = 6,509,328,648.05/113,268.38 - Step 6: Final answer
x = 57,468.19
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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.