Finding the Fourth Proportional to 313,658.10, 432,850.11 and 170,418.06
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Solution
The fourth proportional to 313,658.10, 432,850.11 and 170,418.06 is: 235,177.97
Step by Step Solution
- Step 1: Write the proportion equation
313,658.10 : 432,850.11 = 170,418.06 : x - Step 2: Convert to fraction form
313,658.10/432,850.11 = 170,418.06/x - Step 3: Cross multiply
313,658.10x = 432,850.11 × 170,418.06 - Step 4: Simplify right side
313,658.10x = 73,765,476,016.99 - Step 5: Solve for x
x = 73,765,476,016.99/313,658.10 - Step 6: Final answer
x = 235,177.97
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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.