Finding the Fourth Proportional to 379,349.53, 523,496.23 and 207,263.82
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Solution
The fourth proportional to 379,349.53, 523,496.23 and 207,263.82 is: 286,020.72
Step by Step Solution
- Step 1: Write the proportion equation
379,349.53 : 523,496.23 = 207,263.82 : x - Step 2: Convert to fraction form
379,349.53/523,496.23 = 207,263.82/x - Step 3: Cross multiply
379,349.53x = 523,496.23 × 207,263.82 - Step 4: Simplify right side
379,349.53x = 108,501,825,904.13 - Step 5: Solve for x
x = 108,501,825,904.13/379,349.53 - Step 6: Final answer
x = 286,020.72
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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.