Finding the Fourth Proportional to 220,030.08, 330,183.36 and 107,779.20
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Solution
The fourth proportional to 220,030.08, 330,183.36 and 107,779.20 is: 161,736.52
Step by Step Solution
- Step 1: Write the proportion equation
220,030.08 : 330,183.36 = 107,779.20 : x - Step 2: Convert to fraction form
220,030.08/330,183.36 = 107,779.20/x - Step 3: Cross multiply
220,030.08x = 330,183.36 × 107,779.20 - Step 4: Simplify right side
220,030.08x = 35,586,898,394.11 - Step 5: Solve for x
x = 35,586,898,394.11/220,030.08 - Step 6: Final answer
x = 161,736.52
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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.