Finding the Fourth Proportional to 216,043.80, 324,065.70 and 163,555.80
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Solution
The fourth proportional to 216,043.80, 324,065.70 and 163,555.80 is: 245,333.70
Step by Step Solution
- Step 1: Write the proportion equation
216,043.80 : 324,065.70 = 163,555.80 : x - Step 2: Convert to fraction form
216,043.80/324,065.70 = 163,555.80/x - Step 3: Cross multiply
216,043.80x = 324,065.70 × 163,555.80 - Step 4: Simplify right side
216,043.80x = 53,002,824,816.06 - Step 5: Solve for x
x = 53,002,824,816.06/216,043.80 - Step 6: Final answer
x = 245,333.70
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1.5x scale
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.