Finding the Fourth Proportional to 379,349.38, 523,495.94 and 207,263.63
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Solution
The fourth proportional to 379,349.38, 523,495.94 and 207,263.63 is: 286,020.42
Step by Step Solution
- Step 1: Write the proportion equation
379,349.38 : 523,495.94 = 207,263.63 : x - Step 2: Convert to fraction form
379,349.38/523,495.94 = 207,263.63/x - Step 3: Cross multiply
379,349.38x = 523,495.94 × 207,263.63 - Step 4: Simplify right side
379,349.38x = 108,501,669,087.08 - Step 5: Solve for x
x = 108,501,669,087.08/379,349.38 - Step 6: Final answer
x = 286,020.42
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1.5x scale
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.