Finding the Fourth Proportional to 232,713.09, 321,109.02 and 130,718.97
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Solution
The fourth proportional to 232,713.09, 321,109.02 and 130,718.97 is: 180,372.49
Step by Step Solution
- Step 1: Write the proportion equation
232,713.09 : 321,109.02 = 130,718.97 : x - Step 2: Convert to fraction form
232,713.09/321,109.02 = 130,718.97/x - Step 3: Cross multiply
232,713.09x = 321,109.02 × 130,718.97 - Step 4: Simplify right side
232,713.09x = 41,975,040,352.11 - Step 5: Solve for x
x = 41,975,040,352.11/232,713.09 - Step 6: Final answer
x = 180,372.49
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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.