Finding the Fourth Proportional to 298,922.99, 448,286.97 and 99,189.75
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Solution
The fourth proportional to 298,922.99, 448,286.97 and 99,189.75 is: 148,752.27
Step by Step Solution
- Step 1: Write the proportion equation
298,922.99 : 448,286.97 = 99,189.75 : x - Step 2: Convert to fraction form
298,922.99/448,286.97 = 99,189.75/x - Step 3: Cross multiply
298,922.99x = 448,286.97 × 99,189.75 - Step 4: Simplify right side
298,922.99x = 44,465,472,482.56 - Step 5: Solve for x
x = 44,465,472,482.56/298,922.99 - Step 6: Final answer
x = 148,752.27
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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.