Finding the Fourth Proportional to 276,244.40, 412,066.18 and 271,672.76
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Solution
The fourth proportional to 276,244.40, 412,066.18 and 271,672.76 is: 405,246.79
Step by Step Solution
- Step 1: Write the proportion equation
276,244.40 : 412,066.18 = 271,672.76 : x - Step 2: Convert to fraction form
276,244.40/412,066.18 = 271,672.76/x - Step 3: Cross multiply
276,244.40x = 412,066.18 × 271,672.76 - Step 4: Simplify right side
276,244.40x = 111,947,156,423.26 - Step 5: Solve for x
x = 111,947,156,423.26/276,244.40 - Step 6: Final answer
x = 405,246.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.