Finding the Fourth Proportional to 324,723.36, 486,878.67 and 284,822.46
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Solution
The fourth proportional to 324,723.36, 486,878.67 and 284,822.46 is: 427,052.68
Step by Step Solution
- Step 1: Write the proportion equation
324,723.36 : 486,878.67 = 284,822.46 : x - Step 2: Convert to fraction form
324,723.36/486,878.67 = 284,822.46/x - Step 3: Cross multiply
324,723.36x = 486,878.67 × 284,822.46 - Step 4: Simplify right side
324,723.36x = 138,673,980,510.93 - Step 5: Solve for x
x = 138,673,980,510.93/324,723.36 - Step 6: Final answer
x = 427,052.68
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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.