Finding the Fourth Proportional to 379,517.99, 523,720.45 and 207,434.54
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Solution
The fourth proportional to 379,517.99, 523,720.45 and 207,434.54 is: 286,251.80
Step by Step Solution
- Step 1: Write the proportion equation
379,517.99 : 523,720.45 = 207,434.54 : x - Step 2: Convert to fraction form
379,517.99/523,720.45 = 207,434.54/x - Step 3: Cross multiply
379,517.99x = 523,720.45 × 207,434.54 - Step 4: Simplify right side
379,517.99x = 108,637,707,497.15 - Step 5: Solve for x
x = 108,637,707,497.15/379,517.99 - Step 6: Final answer
x = 286,251.80
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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.