Finding the Fourth Proportional to 486,503.02, 671,367.81 and 271,646.74
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Solution
The fourth proportional to 486,503.02, 671,367.81 and 271,646.74 is: 374,868.95
Step by Step Solution
- Step 1: Write the proportion equation
486,503.02 : 671,367.81 = 271,646.74 : x - Step 2: Convert to fraction form
486,503.02/671,367.81 = 271,646.74/x - Step 3: Cross multiply
486,503.02x = 671,367.81 × 271,646.74 - Step 4: Simplify right side
486,503.02x = 182,374,876,927.44 - Step 5: Solve for x
x = 182,374,876,927.44/486,503.02 - Step 6: Final answer
x = 374,868.95
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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.