Finding the Fourth Proportional to 201,835.10, 302,606.85 and 113,115.80
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Solution
The fourth proportional to 201,835.10, 302,606.85 and 113,115.80 is: 169,591.99
Step by Step Solution
- Step 1: Write the proportion equation
201,835.10 : 302,606.85 = 113,115.80 : x - Step 2: Convert to fraction form
201,835.10/302,606.85 = 113,115.80/x - Step 3: Cross multiply
201,835.10x = 302,606.85 × 113,115.80 - Step 4: Simplify right side
201,835.10x = 34,229,615,923.23 - Step 5: Solve for x
x = 34,229,615,923.23/201,835.10 - Step 6: Final answer
x = 169,591.99
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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.