Finding the Fourth Proportional to 201,429.10, 302,362.35 and 126,633.70
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Solution
The fourth proportional to 201,429.10, 302,362.35 and 126,633.70 is: 190,088.04
Step by Step Solution
- Step 1: Write the proportion equation
201,429.10 : 302,362.35 = 126,633.70 : x - Step 2: Convert to fraction form
201,429.10/302,362.35 = 126,633.70/x - Step 3: Cross multiply
201,429.10x = 302,362.35 × 126,633.70 - Step 4: Simplify right side
201,429.10x = 38,289,263,121.20 - Step 5: Solve for x
x = 38,289,263,121.20/201,429.10 - Step 6: Final answer
x = 190,088.04
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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.