Finding the Fourth Proportional to 90,147.44, 135,148.26 and 37,596.26
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Solution
The fourth proportional to 90,147.44, 135,148.26 and 37,596.26 is: 56,363.99
Step by Step Solution
- Step 1: Write the proportion equation
90,147.44 : 135,148.26 = 37,596.26 : x - Step 2: Convert to fraction form
90,147.44/135,148.26 = 37,596.26/x - Step 3: Cross multiply
90,147.44x = 135,148.26 × 37,596.26 - Step 4: Simplify right side
90,147.44x = 5,081,069,600.36 - Step 5: Solve for x
x = 5,081,069,600.36/90,147.44 - Step 6: Final answer
x = 56,363.99
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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.