Finding the Fourth Proportional to 548,704.12, 823,135.06 and 169,654.40
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Solution
The fourth proportional to 548,704.12, 823,135.06 and 169,654.40 is: 254,505.99
Step by Step Solution
- Step 1: Write the proportion equation
548,704.12 : 823,135.06 = 169,654.40 : x - Step 2: Convert to fraction form
548,704.12/823,135.06 = 169,654.40/x - Step 3: Cross multiply
548,704.12x = 823,135.06 × 169,654.40 - Step 4: Simplify right side
548,704.12x = 139,648,484,723.26 - Step 5: Solve for x
x = 139,648,484,723.26/548,704.12 - Step 6: Final answer
x = 254,505.99
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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.