Finding the Fourth Proportional to 146,674.20, 202,410.62 and 79,606.36
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Solution
The fourth proportional to 146,674.20, 202,410.62 and 79,606.36 is: 109,856.90
Step by Step Solution
- Step 1: Write the proportion equation
146,674.20 : 202,410.62 = 79,606.36 : x - Step 2: Convert to fraction form
146,674.20/202,410.62 = 79,606.36/x - Step 3: Cross multiply
146,674.20x = 202,410.62 × 79,606.36 - Step 4: Simplify right side
146,674.20x = 16,113,172,683.54 - Step 5: Solve for x
x = 16,113,172,683.54/146,674.20 - Step 6: Final answer
x = 109,856.90
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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.