Finding the Fourth Proportional to 548,745.80, 823,118.70 and 233,161.70
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Solution
The fourth proportional to 548,745.80, 823,118.70 and 233,161.70 is: 349,742.55
Step by Step Solution
- Step 1: Write the proportion equation
548,745.80 : 823,118.70 = 233,161.70 : x - Step 2: Convert to fraction form
548,745.80/823,118.70 = 233,161.70/x - Step 3: Cross multiply
548,745.80x = 823,118.70 × 233,161.70 - Step 4: Simplify right side
548,745.80x = 191,919,755,393.79 - Step 5: Solve for x
x = 191,919,755,393.79/548,745.80 - Step 6: Final answer
x = 349,742.55
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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.