Finding the Fourth Proportional to 297,635.40, 410,739.93 and 161,672.00
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Solution
The fourth proportional to 297,635.40, 410,739.93 and 161,672.00 is: 223,109.03
Step by Step Solution
- Step 1: Write the proportion equation
297,635.40 : 410,739.93 = 161,672.00 : x - Step 2: Convert to fraction form
297,635.40/410,739.93 = 161,672.00/x - Step 3: Cross multiply
297,635.40x = 410,739.93 × 161,672.00 - Step 4: Simplify right side
297,635.40x = 66,405,143,909.26 - Step 5: Solve for x
x = 66,405,143,909.26/297,635.40 - Step 6: Final answer
x = 223,109.03
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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.