Finding the Fourth Proportional to 220,668.98, 330,744.26 and 102,089.84
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Solution
The fourth proportional to 220,668.98, 330,744.26 and 102,089.84 is: 153,014.83
Step by Step Solution
- Step 1: Write the proportion equation
220,668.98 : 330,744.26 = 102,089.84 : x - Step 2: Convert to fraction form
220,668.98/330,744.26 = 102,089.84/x - Step 3: Cross multiply
220,668.98x = 330,744.26 × 102,089.84 - Step 4: Simplify right side
220,668.98x = 33,765,626,420.15 - Step 5: Solve for x
x = 33,765,626,420.15/220,668.98 - Step 6: Final answer
x = 153,014.83
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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.