Finding the Fourth Proportional to 352,984.73, 487,122.69 and 191,839.79
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Solution
The fourth proportional to 352,984.73, 487,122.69 and 191,839.79 is: 264,740.95
Step by Step Solution
- Step 1: Write the proportion equation
352,984.73 : 487,122.69 = 191,839.79 : x - Step 2: Convert to fraction form
352,984.73/487,122.69 = 191,839.79/x - Step 3: Cross multiply
352,984.73x = 487,122.69 × 191,839.79 - Step 4: Simplify right side
352,984.73x = 93,449,512,118.22 - Step 5: Solve for x
x = 93,449,512,118.22/352,984.73 - Step 6: Final answer
x = 264,740.95
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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.