Finding the Fourth Proportional to 490,851.96, 736,278.97 and 135,867.01
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Solution
The fourth proportional to 490,851.96, 736,278.97 and 135,867.01 is: 203,800.80
Step by Step Solution
- Step 1: Write the proportion equation
490,851.96 : 736,278.97 = 135,867.01 : x - Step 2: Convert to fraction form
490,851.96/736,278.97 = 135,867.01/x - Step 3: Cross multiply
490,851.96x = 736,278.97 × 135,867.01 - Step 4: Simplify right side
490,851.96x = 100,036,022,179.78 - Step 5: Solve for x
x = 100,036,022,179.78/490,851.96 - Step 6: Final answer
x = 203,800.80
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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.