Finding the Fourth Proportional to 220,526.44, 330,899.07 and 87,403.75
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Solution
The fourth proportional to 220,526.44, 330,899.07 and 87,403.75 is: 131,148.99
Step by Step Solution
- Step 1: Write the proportion equation
220,526.44 : 330,899.07 = 87,403.75 : x - Step 2: Convert to fraction form
220,526.44/330,899.07 = 87,403.75/x - Step 3: Cross multiply
220,526.44x = 330,899.07 × 87,403.75 - Step 4: Simplify right side
220,526.44x = 28,921,819,589.51 - Step 5: Solve for x
x = 28,921,819,589.51/220,526.44 - Step 6: Final answer
x = 131,148.99
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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.