Finding the Fourth Proportional to 335,810.99, 503,891.45 and 148,778.75
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Solution
The fourth proportional to 335,810.99, 503,891.45 and 148,778.75 is: 223,245.64
Step by Step Solution
- Step 1: Write the proportion equation
335,810.99 : 503,891.45 = 148,778.75 : x - Step 2: Convert to fraction form
335,810.99/503,891.45 = 148,778.75/x - Step 3: Cross multiply
335,810.99x = 503,891.45 × 148,778.75 - Step 4: Simplify right side
335,810.99x = 74,968,340,066.69 - Step 5: Solve for x
x = 74,968,340,066.69/335,810.99 - Step 6: Final answer
x = 223,245.64
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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.