Finding the Fourth Proportional to 201,729.10, 302,506.08 and 68,573.56
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Solution
The fourth proportional to 201,729.10, 302,506.08 and 68,573.56 is: 102,830.57
Step by Step Solution
- Step 1: Write the proportion equation
201,729.10 : 302,506.08 = 68,573.56 : x - Step 2: Convert to fraction form
201,729.10/302,506.08 = 68,573.56/x - Step 3: Cross multiply
201,729.10x = 302,506.08 × 68,573.56 - Step 4: Simplify right side
201,729.10x = 20,743,918,827.24 - Step 5: Solve for x
x = 20,743,918,827.24/201,729.10 - Step 6: Final answer
x = 102,830.57
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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.