Finding the Fourth Proportional to 276,091.84, 380,770.68 and 190,187.92
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Solution
The fourth proportional to 276,091.84, 380,770.68 and 190,187.92 is: 262,296.72
Step by Step Solution
- Step 1: Write the proportion equation
276,091.84 : 380,770.68 = 190,187.92 : x - Step 2: Convert to fraction form
276,091.84/380,770.68 = 190,187.92/x - Step 3: Cross multiply
276,091.84x = 380,770.68 × 190,187.92 - Step 4: Simplify right side
276,091.84x = 72,417,983,626.19 - Step 5: Solve for x
x = 72,417,983,626.19/276,091.84 - Step 6: Final answer
x = 262,296.72
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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.