Finding the Fourth Proportional to 134,635.20, 202,390.20 and 115,389.60
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Solution
The fourth proportional to 134,635.20, 202,390.20 and 115,389.60 is: 173,459.28
Step by Step Solution
- Step 1: Write the proportion equation
134,635.20 : 202,390.20 = 115,389.60 : x - Step 2: Convert to fraction form
134,635.20/202,390.20 = 115,389.60/x - Step 3: Cross multiply
134,635.20x = 202,390.20 × 115,389.60 - Step 4: Simplify right side
134,635.20x = 23,353,724,221.92 - Step 5: Solve for x
x = 23,353,724,221.92/134,635.20 - Step 6: Final answer
x = 173,459.28
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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.