Finding the Fourth Proportional to 316,757.89, 437,125.97 and 173,523.07
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Solution
The fourth proportional to 316,757.89, 437,125.97 and 173,523.07 is: 239,461.88
Step by Step Solution
- Step 1: Write the proportion equation
316,757.89 : 437,125.97 = 173,523.07 : x - Step 2: Convert to fraction form
316,757.89/437,125.97 = 173,523.07/x - Step 3: Cross multiply
316,757.89x = 437,125.97 × 173,523.07 - Step 4: Simplify right side
316,757.89x = 75,851,439,632.12 - Step 5: Solve for x
x = 75,851,439,632.12/316,757.89 - Step 6: Final answer
x = 239,461.88
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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.