Finding the Fourth Proportional to 202,510.13, 279,452.39 and 120,930.44
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Solution
The fourth proportional to 202,510.13, 279,452.39 and 120,930.44 is: 166,877.08
Step by Step Solution
- Step 1: Write the proportion equation
202,510.13 : 279,452.39 = 120,930.44 : x - Step 2: Convert to fraction form
202,510.13/279,452.39 = 120,930.44/x - Step 3: Cross multiply
202,510.13x = 279,452.39 × 120,930.44 - Step 4: Simplify right side
202,510.13x = 33,794,298,479.84 - Step 5: Solve for x
x = 33,794,298,479.84/202,510.13 - Step 6: Final answer
x = 166,877.08
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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.