Finding the Fourth Proportional to 324,147.36, 486,203.47 and 99,507.84
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Solution
The fourth proportional to 324,147.36, 486,203.47 and 99,507.84 is: 149,256.37
Step by Step Solution
- Step 1: Write the proportion equation
324,147.36 : 486,203.47 = 99,507.84 : x - Step 2: Convert to fraction form
324,147.36/486,203.47 = 99,507.84/x - Step 3: Cross multiply
324,147.36x = 486,203.47 × 99,507.84 - Step 4: Simplify right side
324,147.36x = 48,381,057,100.20 - Step 5: Solve for x
x = 48,381,057,100.20/324,147.36 - Step 6: Final answer
x = 149,256.37
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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.