Finding the Fourth Proportional to 486,197.04, 670,985.61 and 271,378.98
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Solution
The fourth proportional to 486,197.04, 670,985.61 and 271,378.98 is: 374,521.80
Step by Step Solution
- Step 1: Write the proportion equation
486,197.04 : 670,985.61 = 271,378.98 : x - Step 2: Convert to fraction form
486,197.04/670,985.61 = 271,378.98/x - Step 3: Cross multiply
486,197.04x = 670,985.61 × 271,378.98 - Step 4: Simplify right side
486,197.04x = 182,091,390,436.48 - Step 5: Solve for x
x = 182,091,390,436.48/486,197.04 - Step 6: Final answer
x = 374,521.80
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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.