Finding the Fourth Proportional to 380,541.87, 570,767.45 and 100,080.99
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Solution
The fourth proportional to 380,541.87, 570,767.45 and 100,080.99 is: 150,109.56
Step by Step Solution
- Step 1: Write the proportion equation
380,541.87 : 570,767.45 = 100,080.99 : x - Step 2: Convert to fraction form
380,541.87/570,767.45 = 100,080.99/x - Step 3: Cross multiply
380,541.87x = 570,767.45 × 100,080.99 - Step 4: Simplify right side
380,541.87x = 57,122,970,955.37 - Step 5: Solve for x
x = 57,122,970,955.37/380,541.87 - Step 6: Final answer
x = 150,109.56
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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.