Finding the Fourth Proportional to 151,826.77, 209,576.87 and 91,400.23
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Solution
The fourth proportional to 151,826.77, 209,576.87 and 91,400.23 is: 126,165.99
Step by Step Solution
- Step 1: Write the proportion equation
151,826.77 : 209,576.87 = 91,400.23 : x - Step 2: Convert to fraction form
151,826.77/209,576.87 = 91,400.23/x - Step 3: Cross multiply
151,826.77x = 209,576.87 × 91,400.23 - Step 4: Simplify right side
151,826.77x = 19,155,374,120.68 - Step 5: Solve for x
x = 19,155,374,120.68/151,826.77 - Step 6: Final answer
x = 126,165.99
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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.