Finding the Fourth Proportional to 221,561.80, 332,342.70 and 73,817.80
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Solution
The fourth proportional to 221,561.80, 332,342.70 and 73,817.80 is: 110,726.70
Step by Step Solution
- Step 1: Write the proportion equation
221,561.80 : 332,342.70 = 73,817.80 : x - Step 2: Convert to fraction form
221,561.80/332,342.70 = 73,817.80/x - Step 3: Cross multiply
221,561.80x = 332,342.70 × 73,817.80 - Step 4: Simplify right side
221,561.80x = 24,532,806,960.06 - Step 5: Solve for x
x = 24,532,806,960.06/221,561.80 - Step 6: Final answer
x = 110,726.70
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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.