Finding the Fourth Proportional to 364,388.10, 501,821.37 and 313,027.62
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Solution
The fourth proportional to 364,388.10, 501,821.37 and 313,027.62 is: 431,089.68
Step by Step Solution
- Step 1: Write the proportion equation
364,388.10 : 501,821.37 = 313,027.62 : x - Step 2: Convert to fraction form
364,388.10/501,821.37 = 313,027.62/x - Step 3: Cross multiply
364,388.10x = 501,821.37 × 313,027.62 - Step 4: Simplify right side
364,388.10x = 157,083,949,116.24 - Step 5: Solve for x
x = 157,083,949,116.24/364,388.10 - Step 6: Final answer
x = 431,089.68
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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.