Finding the Fourth Proportional to 324,403.48, 486,709.56 and 155,936.08
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Solution
The fourth proportional to 324,403.48, 486,709.56 and 155,936.08 is: 233,954.27
Step by Step Solution
- Step 1: Write the proportion equation
324,403.48 : 486,709.56 = 155,936.08 : x - Step 2: Convert to fraction form
324,403.48/486,709.56 = 155,936.08/x - Step 3: Cross multiply
324,403.48x = 486,709.56 × 155,936.08 - Step 4: Simplify right side
324,403.48x = 75,895,580,884.92 - Step 5: Solve for x
x = 75,895,580,884.92/324,403.48 - Step 6: Final answer
x = 233,954.27
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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.