Finding the Fourth Proportional to 227,908.70, 341,863.05 and 133,430.30
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Solution
The fourth proportional to 227,908.70, 341,863.05 and 133,430.30 is: 200,145.45
Step by Step Solution
- Step 1: Write the proportion equation
227,908.70 : 341,863.05 = 133,430.30 : x - Step 2: Convert to fraction form
227,908.70/341,863.05 = 133,430.30/x - Step 3: Cross multiply
227,908.70x = 341,863.05 × 133,430.30 - Step 4: Simplify right side
227,908.70x = 45,614,889,320.42 - Step 5: Solve for x
x = 45,614,889,320.42/227,908.70 - Step 6: Final answer
x = 200,145.45
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1.5x scale
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.