Finding the Fourth Proportional to 90,135.63, 135,193.11 and 23,582.19
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Solution
The fourth proportional to 90,135.63, 135,193.11 and 23,582.19 is: 35,370.58
Step by Step Solution
- Step 1: Write the proportion equation
90,135.63 : 135,193.11 = 23,582.19 : x - Step 2: Convert to fraction form
90,135.63/135,193.11 = 23,582.19/x - Step 3: Cross multiply
90,135.63x = 135,193.11 × 23,582.19 - Step 4: Simplify right side
90,135.63x = 3,188,149,606.71 - Step 5: Solve for x
x = 3,188,149,606.71/90,135.63 - Step 6: Final answer
x = 35,370.58
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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.