Finding the Fourth Proportional to 430,057.62, 645,164.21 and 177,197.44
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Solution
The fourth proportional to 430,057.62, 645,164.21 and 177,197.44 is: 265,828.20
Step by Step Solution
- Step 1: Write the proportion equation
430,057.62 : 645,164.21 = 177,197.44 : x - Step 2: Convert to fraction form
430,057.62/645,164.21 = 177,197.44/x - Step 3: Cross multiply
430,057.62x = 645,164.21 × 177,197.44 - Step 4: Simplify right side
430,057.62x = 114,321,443,892.73 - Step 5: Solve for x
x = 114,321,443,892.73/430,057.62 - Step 6: Final answer
x = 265,828.20
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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.