Finding the Fourth Proportional to 275,609.24, 380,344.74 and 154,776.68
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Solution
The fourth proportional to 275,609.24, 380,344.74 and 154,776.68 is: 213,594.06
Step by Step Solution
- Step 1: Write the proportion equation
275,609.24 : 380,344.74 = 154,776.68 : x - Step 2: Convert to fraction form
275,609.24/380,344.74 = 154,776.68/x - Step 3: Cross multiply
275,609.24x = 380,344.74 × 154,776.68 - Step 4: Simplify right side
275,609.24x = 58,868,496,112.66 - Step 5: Solve for x
x = 58,868,496,112.66/275,609.24 - Step 6: Final answer
x = 213,594.06
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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.