Finding the Fourth Proportional to 312,882.42, 431,655.63 and 204,114.62
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Solution
The fourth proportional to 312,882.42, 431,655.63 and 204,114.62 is: 281,598.52
Step by Step Solution
- Step 1: Write the proportion equation
312,882.42 : 431,655.63 = 204,114.62 : x - Step 2: Convert to fraction form
312,882.42/431,655.63 = 204,114.62/x - Step 3: Cross multiply
312,882.42x = 431,655.63 × 204,114.62 - Step 4: Simplify right side
312,882.42x = 88,107,225,202.02 - Step 5: Solve for x
x = 88,107,225,202.02/312,882.42 - Step 6: Final answer
x = 281,598.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.