Finding the Fourth Proportional to 236,472.10, 326,338.43 and 129,049.07
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Solution
The fourth proportional to 236,472.10, 326,338.43 and 129,049.07 is: 178,091.50
Step by Step Solution
- Step 1: Write the proportion equation
236,472.10 : 326,338.43 = 129,049.07 : x - Step 2: Convert to fraction form
236,472.10/326,338.43 = 129,049.07/x - Step 3: Cross multiply
236,472.10x = 326,338.43 × 129,049.07 - Step 4: Simplify right side
236,472.10x = 42,113,670,896.76 - Step 5: Solve for x
x = 42,113,670,896.76/236,472.10 - Step 6: Final answer
x = 178,091.50
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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.