Finding the Fourth Proportional to 239,991.24, 330,967.98 and 163,624.44
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Solution
The fourth proportional to 239,991.24, 330,967.98 and 163,624.44 is: 225,651.78
Step by Step Solution
- Step 1: Write the proportion equation
239,991.24 : 330,967.98 = 163,624.44 : x - Step 2: Convert to fraction form
239,991.24/330,967.98 = 163,624.44/x - Step 3: Cross multiply
239,991.24x = 330,967.98 × 163,624.44 - Step 4: Simplify right side
239,991.24x = 54,154,450,385.43 - Step 5: Solve for x
x = 54,154,450,385.43/239,991.24 - Step 6: Final answer
x = 225,651.78
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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.