Finding the Fourth Proportional to 366,757.20, 550,135.80 and 320,101.20
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Solution
The fourth proportional to 366,757.20, 550,135.80 and 320,101.20 is: 480,151.80
Step by Step Solution
- Step 1: Write the proportion equation
366,757.20 : 550,135.80 = 320,101.20 : x - Step 2: Convert to fraction form
366,757.20/550,135.80 = 320,101.20/x - Step 3: Cross multiply
366,757.20x = 550,135.80 × 320,101.20 - Step 4: Simplify right side
366,757.20x = 176,099,129,742.96 - Step 5: Solve for x
x = 176,099,129,742.96/366,757.20 - Step 6: Final answer
x = 480,151.80
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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.