Finding the Fourth Proportional to 275,628.24, 380,370.96 and 154,795.68
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Solution
The fourth proportional to 275,628.24, 380,370.96 and 154,795.68 is: 213,620.28
Step by Step Solution
- Step 1: Write the proportion equation
275,628.24 : 380,370.96 = 154,795.68 : x - Step 2: Convert to fraction form
275,628.24/380,370.96 = 154,795.68/x - Step 3: Cross multiply
275,628.24x = 380,370.96 × 154,795.68 - Step 4: Simplify right side
275,628.24x = 58,879,781,405.45 - Step 5: Solve for x
x = 58,879,781,405.45/275,628.24 - Step 6: Final answer
x = 213,620.28
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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.