Finding the Fourth Proportional to 299,205.09, 412,894.06 and 163,241.73
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Solution
The fourth proportional to 299,205.09, 412,894.06 and 163,241.73 is: 225,268.70
Step by Step Solution
- Step 1: Write the proportion equation
299,205.09 : 412,894.06 = 163,241.73 : x - Step 2: Convert to fraction form
299,205.09/412,894.06 = 163,241.73/x - Step 3: Cross multiply
299,205.09x = 412,894.06 × 163,241.73 - Step 4: Simplify right side
299,205.09x = 67,401,540,253.02 - Step 5: Solve for x
x = 67,401,540,253.02/299,205.09 - Step 6: Final answer
x = 225,268.70
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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.