Finding the Fourth Proportional to 146,820.73, 202,609.21 and 85,563.02
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Solution
The fourth proportional to 146,820.73, 202,609.21 and 85,563.02 is: 118,074.99
Step by Step Solution
- Step 1: Write the proportion equation
146,820.73 : 202,609.21 = 85,563.02 : x - Step 2: Convert to fraction form
146,820.73/202,609.21 = 85,563.02/x - Step 3: Cross multiply
146,820.73x = 202,609.21 × 85,563.02 - Step 4: Simplify right side
146,820.73x = 17,335,855,887.41 - Step 5: Solve for x
x = 17,335,855,887.41/146,820.73 - Step 6: Final answer
x = 118,074.99
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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.