Finding the Fourth Proportional to 285,562.14, 428,397.26 and 114,797.07
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Solution
The fourth proportional to 285,562.14, 428,397.26 and 114,797.07 is: 172,217.33
Step by Step Solution
- Step 1: Write the proportion equation
285,562.14 : 428,397.26 = 114,797.07 : x - Step 2: Convert to fraction form
285,562.14/428,397.26 = 114,797.07/x - Step 3: Cross multiply
285,562.14x = 428,397.26 × 114,797.07 - Step 4: Simplify right side
285,562.14x = 49,178,749,670.04 - Step 5: Solve for x
x = 49,178,749,670.04/285,562.14 - Step 6: Final answer
x = 172,217.33
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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.