Finding the Fourth Proportional to 236,646.97, 326,571.54 and 129,217.07
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Solution
The fourth proportional to 236,646.97, 326,571.54 and 129,217.07 is: 178,318.86
Step by Step Solution
- Step 1: Write the proportion equation
236,646.97 : 326,571.54 = 129,217.07 : x - Step 2: Convert to fraction form
236,646.97/326,571.54 = 129,217.07/x - Step 3: Cross multiply
236,646.97x = 326,571.54 × 129,217.07 - Step 4: Simplify right side
236,646.97x = 42,198,617,544.19 - Step 5: Solve for x
x = 42,198,617,544.19/236,646.97 - Step 6: Final answer
x = 178,318.86
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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.