Finding the Fourth Proportional to 363,541.20, 545,560.87 and 126,883.88
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Solution
The fourth proportional to 363,541.20, 545,560.87 and 126,883.88 is: 190,412.75
Step by Step Solution
- Step 1: Write the proportion equation
363,541.20 : 545,560.87 = 126,883.88 : x - Step 2: Convert to fraction form
363,541.20/545,560.87 = 126,883.88/x - Step 3: Cross multiply
363,541.20x = 545,560.87 × 126,883.88 - Step 4: Simplify right side
363,541.20x = 69,222,876,916.76 - Step 5: Solve for x
x = 69,222,876,916.76/363,541.20 - Step 6: Final answer
x = 190,412.75
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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.