Finding the Fourth Proportional to 146,889.37, 202,769.34 and 99,207.31
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Solution
The fourth proportional to 146,889.37, 202,769.34 and 99,207.31 is: 136,947.96
Step by Step Solution
- Step 1: Write the proportion equation
146,889.37 : 202,769.34 = 99,207.31 : x - Step 2: Convert to fraction form
146,889.37/202,769.34 = 99,207.31/x - Step 3: Cross multiply
146,889.37x = 202,769.34 × 99,207.31 - Step 4: Simplify right side
146,889.37x = 20,116,200,260.87 - Step 5: Solve for x
x = 20,116,200,260.87/146,889.37 - Step 6: Final answer
x = 136,947.96
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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.