Finding the Fourth Proportional to 202,216.10, 303,324.15 and 187,009.70
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Solution
The fourth proportional to 202,216.10, 303,324.15 and 187,009.70 is: 280,514.55
Step by Step Solution
- Step 1: Write the proportion equation
202,216.10 : 303,324.15 = 187,009.70 : x - Step 2: Convert to fraction form
202,216.10/303,324.15 = 187,009.70/x - Step 3: Cross multiply
202,216.10x = 303,324.15 × 187,009.70 - Step 4: Simplify right side
202,216.10x = 56,724,558,294.26 - Step 5: Solve for x
x = 56,724,558,294.26/202,216.10 - Step 6: Final answer
x = 280,514.55
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1.5x scale
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.