Finding the Fourth Proportional to 324,883.14, 486,997.47 and 135,448.35
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Solution
The fourth proportional to 324,883.14, 486,997.47 and 135,448.35 is: 203,036.09
Step by Step Solution
- Step 1: Write the proportion equation
324,883.14 : 486,997.47 = 135,448.35 : x - Step 2: Convert to fraction form
324,883.14/486,997.47 = 135,448.35/x - Step 3: Cross multiply
324,883.14x = 486,997.47 × 135,448.35 - Step 4: Simplify right side
324,883.14x = 65,963,003,765.67 - Step 5: Solve for x
x = 65,963,003,765.67/324,883.14 - Step 6: Final answer
x = 203,036.09
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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.