Finding the Fourth Proportional to 252,664.16, 378,856.96 and 102,866.08
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Solution
The fourth proportional to 252,664.16, 378,856.96 and 102,866.08 is: 154,242.42
Step by Step Solution
- Step 1: Write the proportion equation
252,664.16 : 378,856.96 = 102,866.08 : x - Step 2: Convert to fraction form
252,664.16/378,856.96 = 102,866.08/x - Step 3: Cross multiply
252,664.16x = 378,856.96 × 102,866.08 - Step 4: Simplify right side
252,664.16x = 38,971,530,355.92 - Step 5: Solve for x
x = 38,971,530,355.92/252,664.16 - Step 6: Final answer
x = 154,242.42
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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.