Finding the Fourth Proportional to 266,589.62, 367,893.76 and 145,731.44
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Solution
The fourth proportional to 266,589.62, 367,893.76 and 145,731.44 is: 201,109.43
Step by Step Solution
- Step 1: Write the proportion equation
266,589.62 : 367,893.76 = 145,731.44 : x - Step 2: Convert to fraction form
266,589.62/367,893.76 = 145,731.44/x - Step 3: Cross multiply
266,589.62x = 367,893.76 × 145,731.44 - Step 4: Simplify right side
266,589.62x = 53,613,687,411.81 - Step 5: Solve for x
x = 53,613,687,411.81/266,589.62 - Step 6: Final answer
x = 201,109.43
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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.