Finding the Fourth Proportional to 380,276.56, 570,076.44 and 180,473.68
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Solution
The fourth proportional to 380,276.56, 570,076.44 and 180,473.68 is: 270,549.92
Step by Step Solution
- Step 1: Write the proportion equation
380,276.56 : 570,076.44 = 180,473.68 : x - Step 2: Convert to fraction form
380,276.56/570,076.44 = 180,473.68/x - Step 3: Cross multiply
380,276.56x = 570,076.44 × 180,473.68 - Step 4: Simplify right side
380,276.56x = 102,883,793,008.10 - Step 5: Solve for x
x = 102,883,793,008.10/380,276.56 - Step 6: Final answer
x = 270,549.92
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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.