Finding the Fourth Proportional to 293,163.70, 439,745.55 and 218,805.70
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Solution
The fourth proportional to 293,163.70, 439,745.55 and 218,805.70 is: 328,208.55
Step by Step Solution
- Step 1: Write the proportion equation
293,163.70 : 439,745.55 = 218,805.70 : x - Step 2: Convert to fraction form
293,163.70/439,745.55 = 218,805.70/x - Step 3: Cross multiply
293,163.70x = 439,745.55 × 218,805.70 - Step 4: Simplify right side
293,163.70x = 96,218,832,889.64 - Step 5: Solve for x
x = 96,218,832,889.64/293,163.70 - Step 6: Final answer
x = 328,208.55
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1.5x scale
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.