Finding the Fourth Proportional to 206,811.12, 310,479.18 and 175,843.20
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Solution
The fourth proportional to 206,811.12, 310,479.18 and 175,843.20 is: 263,987.99
Step by Step Solution
- Step 1: Write the proportion equation
206,811.12 : 310,479.18 = 175,843.20 : x - Step 2: Convert to fraction form
206,811.12/310,479.18 = 175,843.20/x - Step 3: Cross multiply
206,811.12x = 310,479.18 × 175,843.20 - Step 4: Simplify right side
206,811.12x = 54,595,653,049.46 - Step 5: Solve for x
x = 54,595,653,049.46/206,811.12 - Step 6: Final answer
x = 263,987.99
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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.