Finding the Fourth Proportional to 204,079.80, 306,119.70 and 70,915.80
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Solution
The fourth proportional to 204,079.80, 306,119.70 and 70,915.80 is: 106,373.70
Step by Step Solution
- Step 1: Write the proportion equation
204,079.80 : 306,119.70 = 70,915.80 : x - Step 2: Convert to fraction form
204,079.80/306,119.70 = 70,915.80/x - Step 3: Cross multiply
204,079.80x = 306,119.70 × 70,915.80 - Step 4: Simplify right side
204,079.80x = 21,708,723,421.26 - Step 5: Solve for x
x = 21,708,723,421.26/204,079.80 - Step 6: Final answer
x = 106,373.70
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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.