Finding the Fourth Proportional to 380,106.92, 570,148.62 and 180,570.92
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Solution
The fourth proportional to 380,106.92, 570,148.62 and 180,570.92 is: 270,850.79
Step by Step Solution
- Step 1: Write the proportion equation
380,106.92 : 570,148.62 = 180,570.92 : x - Step 2: Convert to fraction form
380,106.92/570,148.62 = 180,570.92/x - Step 3: Cross multiply
380,106.92x = 570,148.62 × 180,570.92 - Step 4: Simplify right side
380,106.92x = 102,952,260,850.13 - Step 5: Solve for x
x = 102,952,260,850.13/380,106.92 - Step 6: Final answer
x = 270,850.79
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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.