Finding the Fourth Proportional to 272,676.21, 408,965.07 and 95,233.95
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Solution
The fourth proportional to 272,676.21, 408,965.07 and 95,233.95 is: 142,833.73
Step by Step Solution
- Step 1: Write the proportion equation
272,676.21 : 408,965.07 = 95,233.95 : x - Step 2: Convert to fraction form
272,676.21/408,965.07 = 95,233.95/x - Step 3: Cross multiply
272,676.21x = 408,965.07 × 95,233.95 - Step 4: Simplify right side
272,676.21x = 38,947,359,028.13 - Step 5: Solve for x
x = 38,947,359,028.13/272,676.21 - Step 6: Final answer
x = 142,833.73
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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.