Finding the Fourth Proportional to 454,195.20, 681,372.84 and 187,806.44
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Solution
The fourth proportional to 454,195.20, 681,372.84 and 187,806.44 is: 281,742.76
Step by Step Solution
- Step 1: Write the proportion equation
454,195.20 : 681,372.84 = 187,806.44 : x - Step 2: Convert to fraction form
454,195.20/681,372.84 = 187,806.44/x - Step 3: Cross multiply
454,195.20x = 681,372.84 × 187,806.44 - Step 4: Simplify right side
454,195.20x = 127,966,207,393.09 - Step 5: Solve for x
x = 127,966,207,393.09/454,195.20 - Step 6: Final answer
x = 281,742.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.