Finding the Fourth Proportional to 201,648.40, 302,691.30 and 113,074.90
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Solution
The fourth proportional to 201,648.40, 302,691.30 and 113,074.90 is: 169,734.99
Step by Step Solution
- Step 1: Write the proportion equation
201,648.40 : 302,691.30 = 113,074.90 : x - Step 2: Convert to fraction form
201,648.40/302,691.30 = 113,074.90/x - Step 3: Cross multiply
201,648.40x = 302,691.30 × 113,074.90 - Step 4: Simplify right side
201,648.40x = 34,226,788,478.37 - Step 5: Solve for x
x = 34,226,788,478.37/201,648.40 - Step 6: Final answer
x = 169,734.99
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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.