Finding the Fourth Proportional to 252,358.30, 378,608.97 and 102,705.99
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Solution
The fourth proportional to 252,358.30, 378,608.97 and 102,705.99 is: 154,088.09
Step by Step Solution
- Step 1: Write the proportion equation
252,358.30 : 378,608.97 = 102,705.99 : x - Step 2: Convert to fraction form
252,358.30/378,608.97 = 102,705.99/x - Step 3: Cross multiply
252,358.30x = 378,608.97 × 102,705.99 - Step 4: Simplify right side
252,358.30x = 38,885,409,313.06 - Step 5: Solve for x
x = 38,885,409,313.06/252,358.30 - Step 6: Final answer
x = 154,088.09
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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.