Finding the Fourth Proportional to 201,734.90, 302,602.35 and 68,765.30
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Solution
The fourth proportional to 201,734.90, 302,602.35 and 68,765.30 is: 103,147.95
Step by Step Solution
- Step 1: Write the proportion equation
201,734.90 : 302,602.35 = 68,765.30 : x - Step 2: Convert to fraction form
201,734.90/302,602.35 = 68,765.30/x - Step 3: Cross multiply
201,734.90x = 302,602.35 × 68,765.30 - Step 4: Simplify right side
201,734.90x = 20,808,541,378.46 - Step 5: Solve for x
x = 20,808,541,378.46/201,734.90 - Step 6: Final answer
x = 103,147.95
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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.