Finding the Fourth Proportional to 297,605.99, 410,697.42 and 161,642.19
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Solution
The fourth proportional to 297,605.99, 410,697.42 and 161,642.19 is: 223,066.85
Step by Step Solution
- Step 1: Write the proportion equation
297,605.99 : 410,697.42 = 161,642.19 : x - Step 2: Convert to fraction form
297,605.99/410,697.42 = 161,642.19/x - Step 3: Cross multiply
297,605.99x = 410,697.42 × 161,642.19 - Step 4: Simplify right side
297,605.99x = 66,386,030,396.15 - Step 5: Solve for x
x = 66,386,030,396.15/297,605.99 - Step 6: Final answer
x = 223,066.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.