Finding the Fourth Proportional to 486,620.64, 671,529.84 and 271,764.48
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Solution
The fourth proportional to 486,620.64, 671,529.84 and 271,764.48 is: 375,031.27
Step by Step Solution
- Step 1: Write the proportion equation
486,620.64 : 671,529.84 = 271,764.48 : x - Step 2: Convert to fraction form
486,620.64/671,529.84 = 271,764.48/x - Step 3: Cross multiply
486,620.64x = 671,529.84 × 271,764.48 - Step 4: Simplify right side
486,620.64x = 182,497,957,772.08 - Step 5: Solve for x
x = 182,497,957,772.08/486,620.64 - Step 6: Final answer
x = 375,031.27
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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.