Finding the Fourth Proportional to 613,523.79, 919,842.80 and 258,344.01
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Solution
The fourth proportional to 613,523.79, 919,842.80 and 258,344.01 is: 387,329.52
Step by Step Solution
- Step 1: Write the proportion equation
613,523.79 : 919,842.80 = 258,344.01 : x - Step 2: Convert to fraction form
613,523.79/919,842.80 = 258,344.01/x - Step 3: Cross multiply
613,523.79x = 919,842.80 × 258,344.01 - Step 4: Simplify right side
613,523.79x = 237,635,876,229.91 - Step 5: Solve for x
x = 237,635,876,229.91/613,523.79 - Step 6: Final answer
x = 387,329.52
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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.