Finding the Fourth Proportional to 379,402.01, 523,568.44 and 207,316.19
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Solution
The fourth proportional to 379,402.01, 523,568.44 and 207,316.19 is: 286,092.88
Step by Step Solution
- Step 1: Write the proportion equation
379,402.01 : 523,568.44 = 207,316.19 : x - Step 2: Convert to fraction form
379,402.01/523,568.44 = 207,316.19/x - Step 3: Cross multiply
379,402.01x = 523,568.44 × 207,316.19 - Step 4: Simplify right side
379,402.01x = 108,544,213,148.46 - Step 5: Solve for x
x = 108,544,213,148.46/379,402.01 - Step 6: Final answer
x = 286,092.88
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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.