Finding the Fourth Proportional to 276,976.83, 415,465.11 and 66,614.70
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Solution
The fourth proportional to 276,976.83, 415,465.11 and 66,614.70 is: 99,922.02
Step by Step Solution
- Step 1: Write the proportion equation
276,976.83 : 415,465.11 = 66,614.70 : x - Step 2: Convert to fraction form
276,976.83/415,465.11 = 66,614.70/x - Step 3: Cross multiply
276,976.83x = 415,465.11 × 66,614.70 - Step 4: Simplify right side
276,976.83x = 27,676,083,663.12 - Step 5: Solve for x
x = 27,676,083,663.12/276,976.83 - Step 6: Final answer
x = 99,922.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.