Finding the Fourth Proportional to 229,953.89, 345,153.29 and 165,977.99
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Solution
The fourth proportional to 229,953.89, 345,153.29 and 165,977.99 is: 249,127.54
Step by Step Solution
- Step 1: Write the proportion equation
229,953.89 : 345,153.29 = 165,977.99 : x - Step 2: Convert to fraction form
229,953.89/345,153.29 = 165,977.99/x - Step 3: Cross multiply
229,953.89x = 345,153.29 × 165,977.99 - Step 4: Simplify right side
229,953.89x = 57,287,846,760.43 - Step 5: Solve for x
x = 57,287,846,760.43/229,953.89 - Step 6: Final answer
x = 249,127.54
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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.