Finding the Fourth Proportional to 204,108.99, 306,302.81 and 70,987.92
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Solution
The fourth proportional to 204,108.99, 306,302.81 and 70,987.92 is: 106,530.33
Step by Step Solution
- Step 1: Write the proportion equation
204,108.99 : 306,302.81 = 70,987.92 : x - Step 2: Convert to fraction form
204,108.99/306,302.81 = 70,987.92/x - Step 3: Cross multiply
204,108.99x = 306,302.81 × 70,987.92 - Step 4: Simplify right side
204,108.99x = 21,743,799,017.12 - Step 5: Solve for x
x = 21,743,799,017.12/204,108.99 - Step 6: Final answer
x = 106,530.33
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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.