Finding the Fourth Proportional to 308,772.10, 463,201.35 and 131,277.70
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Solution
The fourth proportional to 308,772.10, 463,201.35 and 131,277.70 is: 196,934.92
Step by Step Solution
- Step 1: Write the proportion equation
308,772.10 : 463,201.35 = 131,277.70 : x - Step 2: Convert to fraction form
308,772.10/463,201.35 = 131,277.70/x - Step 3: Cross multiply
308,772.10x = 463,201.35 × 131,277.70 - Step 4: Simplify right side
308,772.10x = 60,808,007,864.90 - Step 5: Solve for x
x = 60,808,007,864.90/308,772.10 - Step 6: Final answer
x = 196,934.92
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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.