Finding the Fourth Proportional to 486,460.53, 729,729.68 and 170,988.21
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Solution
The fourth proportional to 486,460.53, 729,729.68 and 170,988.21 is: 256,495.98
Step by Step Solution
- Step 1: Write the proportion equation
486,460.53 : 729,729.68 = 170,988.21 : x - Step 2: Convert to fraction form
486,460.53/729,729.68 = 170,988.21/x - Step 3: Cross multiply
486,460.53x = 729,729.68 × 170,988.21 - Step 4: Simplify right side
486,460.53x = 124,775,170,912.13 - Step 5: Solve for x
x = 124,775,170,912.13/486,460.53 - Step 6: Final answer
x = 256,495.98
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1.5x scale
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.