Finding the Fourth Proportional to 291,286.08, 436,369.41 and 178,637.94
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Solution
The fourth proportional to 291,286.08, 436,369.41 and 178,637.94 is: 267,613.65
Step by Step Solution
- Step 1: Write the proportion equation
291,286.08 : 436,369.41 = 178,637.94 : x - Step 2: Convert to fraction form
291,286.08/436,369.41 = 178,637.94/x - Step 3: Cross multiply
291,286.08x = 436,369.41 × 178,637.94 - Step 4: Simplify right side
291,286.08x = 77,952,132,481.42 - Step 5: Solve for x
x = 77,952,132,481.42/291,286.08 - Step 6: Final answer
x = 267,613.65
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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.