Finding the Fourth Proportional to 360,193.40, 540,568.92 and 135,757.99
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Solution
The fourth proportional to 360,193.40, 540,568.92 and 135,757.99 is: 203,742.08
Step by Step Solution
- Step 1: Write the proportion equation
360,193.40 : 540,568.92 = 135,757.99 : x - Step 2: Convert to fraction form
360,193.40/540,568.92 = 135,757.99/x - Step 3: Cross multiply
360,193.40x = 540,568.92 × 135,757.99 - Step 4: Simplify right side
360,193.40x = 73,386,551,220.47 - Step 5: Solve for x
x = 73,386,551,220.47/360,193.40 - Step 6: Final answer
x = 203,742.08
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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.