Finding the Fourth Proportional to 204,221.20, 306,331.80 and 173,117.20
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Solution
The fourth proportional to 204,221.20, 306,331.80 and 173,117.20 is: 259,675.80
Step by Step Solution
- Step 1: Write the proportion equation
204,221.20 : 306,331.80 = 173,117.20 : x - Step 2: Convert to fraction form
204,221.20/306,331.80 = 173,117.20/x - Step 3: Cross multiply
204,221.20x = 306,331.80 × 173,117.20 - Step 4: Simplify right side
204,221.20x = 53,031,303,486.96 - Step 5: Solve for x
x = 53,031,303,486.96/204,221.20 - Step 6: Final answer
x = 259,675.80
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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.