Finding the Fourth Proportional to 543,833.36, 750,489.36 and 302,138.24
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Solution
The fourth proportional to 543,833.36, 750,489.36 and 302,138.24 is: 416,950.40
Step by Step Solution
- Step 1: Write the proportion equation
543,833.36 : 750,489.36 = 302,138.24 : x - Step 2: Convert to fraction form
543,833.36/750,489.36 = 302,138.24/x - Step 3: Cross multiply
543,833.36x = 750,489.36 × 302,138.24 - Step 4: Simplify right side
543,833.36x = 226,751,534,369.13 - Step 5: Solve for x
x = 226,751,534,369.13/543,833.36 - Step 6: Final answer
x = 416,950.40
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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.