Finding the Fourth Proportional to 216,964.48, 324,859.36 and 153,523.84
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Solution
The fourth proportional to 216,964.48, 324,859.36 and 153,523.84 is: 229,870.14
Step by Step Solution
- Step 1: Write the proportion equation
216,964.48 : 324,859.36 = 153,523.84 : x - Step 2: Convert to fraction form
216,964.48/324,859.36 = 153,523.84/x - Step 3: Cross multiply
216,964.48x = 324,859.36 × 153,523.84 - Step 4: Simplify right side
216,964.48x = 49,873,656,407.14 - Step 5: Solve for x
x = 49,873,656,407.14/216,964.48 - Step 6: Final answer
x = 229,870.14
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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.