Finding the Fourth Proportional to 202,765.47, 279,704.12 and 117,873.15
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Solution
The fourth proportional to 202,765.47, 279,704.12 and 117,873.15 is: 162,599.70
Step by Step Solution
- Step 1: Write the proportion equation
202,765.47 : 279,704.12 = 117,873.15 : x - Step 2: Convert to fraction form
202,765.47/279,704.12 = 117,873.15/x - Step 3: Cross multiply
202,765.47x = 279,704.12 × 117,873.15 - Step 4: Simplify right side
202,765.47x = 32,969,605,103.01 - Step 5: Solve for x
x = 32,969,605,103.01/202,765.47 - Step 6: Final answer
x = 162,599.70
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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.