Finding the Fourth Proportional to 206,922.74, 310,405.97 and 88,562.30
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Solution
The fourth proportional to 206,922.74, 310,405.97 and 88,562.30 is: 132,852.80
Step by Step Solution
- Step 1: Write the proportion equation
206,922.74 : 310,405.97 = 88,562.30 : x - Step 2: Convert to fraction form
206,922.74/310,405.97 = 88,562.30/x - Step 3: Cross multiply
206,922.74x = 310,405.97 × 88,562.30 - Step 4: Simplify right side
206,922.74x = 27,490,265,306.31 - Step 5: Solve for x
x = 27,490,265,306.31/206,922.74 - Step 6: Final answer
x = 132,852.80
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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.