Finding the Fourth Proportional to 236,866.15, 326,861.35 and 129,414.79
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Solution
The fourth proportional to 236,866.15, 326,861.35 and 129,414.79 is: 178,584.80
Step by Step Solution
- Step 1: Write the proportion equation
236,866.15 : 326,861.35 = 129,414.79 : x - Step 2: Convert to fraction form
236,866.15/326,861.35 = 129,414.79/x - Step 3: Cross multiply
236,866.15x = 326,861.35 × 129,414.79 - Step 4: Simplify right side
236,866.15x = 42,300,692,969.37 - Step 5: Solve for x
x = 42,300,692,969.37/236,866.15 - Step 6: Final answer
x = 178,584.80
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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.