Finding the Fourth Proportional to 146,874.87, 202,719.92 and 83,247.75
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Solution
The fourth proportional to 146,874.87, 202,719.92 and 83,247.75 is: 114,900.37
Step by Step Solution
- Step 1: Write the proportion equation
146,874.87 : 202,719.92 = 83,247.75 : x - Step 2: Convert to fraction form
146,874.87/202,719.92 = 83,247.75/x - Step 3: Cross multiply
146,874.87x = 202,719.92 × 83,247.75 - Step 4: Simplify right side
146,874.87x = 16,875,976,803.94 - Step 5: Solve for x
x = 16,875,976,803.94/146,874.87 - Step 6: Final answer
x = 114,900.37
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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.