Finding the Fourth Proportional to 505,494.24, 757,987.76 and 168,416.32
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Solution
The fourth proportional to 505,494.24, 757,987.76 and 168,416.32 is: 252,539.99
Step by Step Solution
- Step 1: Write the proportion equation
505,494.24 : 757,987.76 = 168,416.32 : x - Step 2: Convert to fraction form
505,494.24/757,987.76 = 168,416.32/x - Step 3: Cross multiply
505,494.24x = 757,987.76 × 168,416.32 - Step 4: Simplify right side
505,494.24x = 127,657,509,144.24 - Step 5: Solve for x
x = 127,657,509,144.24/505,494.24 - Step 6: Final answer
x = 252,539.99
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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.