Finding the Fourth Proportional to 215,511.05, 297,383.95 and 120,026.63
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Solution
The fourth proportional to 215,511.05, 297,383.95 and 120,026.63 is: 165,624.89
Step by Step Solution
- Step 1: Write the proportion equation
215,511.05 : 297,383.95 = 120,026.63 : x - Step 2: Convert to fraction form
215,511.05/297,383.95 = 120,026.63/x - Step 3: Cross multiply
215,511.05x = 297,383.95 × 120,026.63 - Step 4: Simplify right side
215,511.05x = 35,693,993,334.59 - Step 5: Solve for x
x = 35,693,993,334.59/215,511.05 - Step 6: Final answer
x = 165,624.89
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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.