Finding the Fourth Proportional to 206,812.12, 310,480.68 and 175,844.20
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Solution
The fourth proportional to 206,812.12, 310,480.68 and 175,844.20 is: 263,989.49
Step by Step Solution
- Step 1: Write the proportion equation
206,812.12 : 310,480.68 = 175,844.20 : x - Step 2: Convert to fraction form
206,812.12/310,480.68 = 175,844.20/x - Step 3: Cross multiply
206,812.12x = 310,480.68 × 175,844.20 - Step 4: Simplify right side
206,812.12x = 54,596,226,790.06 - Step 5: Solve for x
x = 54,596,226,790.06/206,812.12 - Step 6: Final answer
x = 263,989.49
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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.