Finding the Fourth Proportional to 505,328.76, 757,739.58 and 168,250.68
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Solution
The fourth proportional to 505,328.76, 757,739.58 and 168,250.68 is: 252,291.60
Step by Step Solution
- Step 1: Write the proportion equation
505,328.76 : 757,739.58 = 168,250.68 : x - Step 2: Convert to fraction form
505,328.76/757,739.58 = 168,250.68/x - Step 3: Cross multiply
505,328.76x = 757,739.58 × 168,250.68 - Step 4: Simplify right side
505,328.76x = 127,490,199,597.91 - Step 5: Solve for x
x = 127,490,199,597.91/505,328.76 - Step 6: Final answer
x = 252,291.60
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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.