Finding the Fourth Proportional to 305,874.90, 458,800.20 and 106,240.68
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Solution
The fourth proportional to 305,874.90, 458,800.20 and 106,240.68 is: 159,356.80
Step by Step Solution
- Step 1: Write the proportion equation
305,874.90 : 458,800.20 = 106,240.68 : x - Step 2: Convert to fraction form
305,874.90/458,800.20 = 106,240.68/x - Step 3: Cross multiply
305,874.90x = 458,800.20 × 106,240.68 - Step 4: Simplify right side
305,874.90x = 48,743,245,232.14 - Step 5: Solve for x
x = 48,743,245,232.14/305,874.90 - Step 6: Final answer
x = 159,356.80
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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.