Finding the Fourth Proportional to 236,879.99, 326,895.24 and 129,450.04
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Solution
The fourth proportional to 236,879.99, 326,895.24 and 129,450.04 is: 178,641.52
Step by Step Solution
- Step 1: Write the proportion equation
236,879.99 : 326,895.24 = 129,450.04 : x - Step 2: Convert to fraction form
236,879.99/326,895.24 = 129,450.04/x - Step 3: Cross multiply
236,879.99x = 326,895.24 × 129,450.04 - Step 4: Simplify right side
236,879.99x = 42,316,601,893.81 - Step 5: Solve for x
x = 42,316,601,893.81/236,879.99 - Step 6: Final answer
x = 178,641.52
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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.