Finding the Fourth Proportional to 220,119.52, 330,013.68 and 107,764.96
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Solution
The fourth proportional to 220,119.52, 330,013.68 and 107,764.96 is: 161,566.37
Step by Step Solution
- Step 1: Write the proportion equation
220,119.52 : 330,013.68 = 107,764.96 : x - Step 2: Convert to fraction form
220,119.52/330,013.68 = 107,764.96/x - Step 3: Cross multiply
220,119.52x = 330,013.68 × 107,764.96 - Step 4: Simplify right side
220,119.52x = 35,563,911,024.65 - Step 5: Solve for x
x = 35,563,911,024.65/220,119.52 - Step 6: Final answer
x = 161,566.37
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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.