Finding the Fourth Proportional to 202,930.12, 280,122.08 and 181,672.48
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Solution
The fourth proportional to 202,930.12, 280,122.08 and 181,672.48 is: 250,778.31
Step by Step Solution
- Step 1: Write the proportion equation
202,930.12 : 280,122.08 = 181,672.48 : x - Step 2: Convert to fraction form
202,930.12/280,122.08 = 181,672.48/x - Step 3: Cross multiply
202,930.12x = 280,122.08 × 181,672.48 - Step 4: Simplify right side
202,930.12x = 50,890,472,976.36 - Step 5: Solve for x
x = 50,890,472,976.36/202,930.12 - Step 6: Final answer
x = 250,778.31
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1.5x scale
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.