Finding the Fourth Proportional to 436,198.56, 601,985.70 and 266,464.68
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Solution
The fourth proportional to 436,198.56, 601,985.70 and 266,464.68 is: 367,740.62
Step by Step Solution
- Step 1: Write the proportion equation
436,198.56 : 601,985.70 = 266,464.68 : x - Step 2: Convert to fraction form
436,198.56/601,985.70 = 266,464.68/x - Step 3: Cross multiply
436,198.56x = 601,985.70 × 266,464.68 - Step 4: Simplify right side
436,198.56x = 160,407,926,915.08 - Step 5: Solve for x
x = 160,407,926,915.08/436,198.56 - Step 6: Final answer
x = 367,740.62
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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.