Finding the Fourth Proportional to 221,567.92, 305,762.17 and 120,965.92
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Solution
The fourth proportional to 221,567.92, 305,762.17 and 120,965.92 is: 166,932.12
Step by Step Solution
- Step 1: Write the proportion equation
221,567.92 : 305,762.17 = 120,965.92 : x - Step 2: Convert to fraction form
221,567.92/305,762.17 = 120,965.92/x - Step 3: Cross multiply
221,567.92x = 305,762.17 × 120,965.92 - Step 4: Simplify right side
221,567.92x = 36,986,802,195.25 - Step 5: Solve for x
x = 36,986,802,195.25/221,567.92 - Step 6: Final answer
x = 166,932.12
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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.