Finding the Fourth Proportional to 276,900.07, 382,122.30 and 149,575.67
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Solution
The fourth proportional to 276,900.07, 382,122.30 and 149,575.67 is: 206,414.54
Step by Step Solution
- Step 1: Write the proportion equation
276,900.07 : 382,122.30 = 149,575.67 : x - Step 2: Convert to fraction form
276,900.07/382,122.30 = 149,575.67/x - Step 3: Cross multiply
276,900.07x = 382,122.30 × 149,575.67 - Step 4: Simplify right side
276,900.07x = 57,156,199,044.44 - Step 5: Solve for x
x = 57,156,199,044.44/276,900.07 - Step 6: Final answer
x = 206,414.54
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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.