Finding the Fourth Proportional to 201,750.20, 302,654.10 and 68,636.60
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Solution
The fourth proportional to 201,750.20, 302,654.10 and 68,636.60 is: 102,964.70
Step by Step Solution
- Step 1: Write the proportion equation
201,750.20 : 302,654.10 = 68,636.60 : x - Step 2: Convert to fraction form
201,750.20/302,654.10 = 68,636.60/x - Step 3: Cross multiply
201,750.20x = 302,654.10 × 68,636.60 - Step 4: Simplify right side
201,750.20x = 20,773,148,400.06 - Step 5: Solve for x
x = 20,773,148,400.06/201,750.20 - Step 6: Final answer
x = 102,964.70
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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.