Finding the Fourth Proportional to 284,334.93, 424,658.79 and 257,627.52
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Solution
The fourth proportional to 284,334.93, 424,658.79 and 257,627.52 is: 384,770.84
Step by Step Solution
- Step 1: Write the proportion equation
284,334.93 : 424,658.79 = 257,627.52 : x - Step 2: Convert to fraction form
284,334.93/424,658.79 = 257,627.52/x - Step 3: Cross multiply
284,334.93x = 424,658.79 × 257,627.52 - Step 4: Simplify right side
284,334.93x = 109,403,790,913.90 - Step 5: Solve for x
x = 109,403,790,913.90/284,334.93 - Step 6: Final answer
x = 384,770.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.