Finding the Fourth Proportional to 486,394.58, 671,155.11 and 271,529.93
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Solution
The fourth proportional to 486,394.58, 671,155.11 and 271,529.93 is: 374,672.56
Step by Step Solution
- Step 1: Write the proportion equation
486,394.58 : 671,155.11 = 271,529.93 : x - Step 2: Convert to fraction form
486,394.58/671,155.11 = 271,529.93/x - Step 3: Cross multiply
486,394.58x = 671,155.11 × 271,529.93 - Step 4: Simplify right side
486,394.58x = 182,238,700,037.44 - Step 5: Solve for x
x = 182,238,700,037.44/486,394.58 - Step 6: Final answer
x = 374,672.56
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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.