Finding the Fourth Proportional to 236,866.00, 326,869.70 and 129,436.68
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Solution
The fourth proportional to 236,866.00, 326,869.70 and 129,436.68 is: 178,619.69
Step by Step Solution
- Step 1: Write the proportion equation
236,866.00 : 326,869.70 = 129,436.68 : x - Step 2: Convert to fraction form
236,866.00/326,869.70 = 129,436.68/x - Step 3: Cross multiply
236,866.00x = 326,869.70 × 129,436.68 - Step 4: Simplify right side
236,866.00x = 42,308,930,431.30 - Step 5: Solve for x
x = 42,308,930,431.30/236,866.00 - Step 6: Final answer
x = 178,619.69
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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.