Finding the Fourth Proportional to 651,145.76, 976,755.50 and 201,930.49
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Solution
The fourth proportional to 651,145.76, 976,755.50 and 201,930.49 is: 302,907.17
Step by Step Solution
- Step 1: Write the proportion equation
651,145.76 : 976,755.50 = 201,930.49 : x - Step 2: Convert to fraction form
651,145.76/976,755.50 = 201,930.49/x - Step 3: Cross multiply
651,145.76x = 976,755.50 × 201,930.49 - Step 4: Simplify right side
651,145.76x = 197,236,718,450.97 - Step 5: Solve for x
x = 197,236,718,450.97/651,145.76 - Step 6: Final answer
x = 302,907.17
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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.