Finding the Fourth Proportional to 1,500.27, 2,249.52 and 459.99
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Solution
The fourth proportional to 1,500.27, 2,249.52 and 459.99 is: 689.71
Step by Step Solution
- Step 1: Write the proportion equation
1,500.27 : 2,249.52 = 459.99 : x - Step 2: Convert to fraction form
1,500.27/2,249.52 = 459.99/x - Step 3: Cross multiply
1,500.27x = 2,249.52 × 459.99 - Step 4: Simplify right side
1,500.27x = 1,034,756.70 - Step 5: Solve for x
x = 1,034,756.70/1,500.27 - Step 6: Final answer
x = 689.71
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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.