Finding the Fourth Proportional to 347,541.43, 479,495.64 and 194,557.09
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Solution
The fourth proportional to 347,541.43, 479,495.64 and 194,557.09 is: 268,426.35
Step by Step Solution
- Step 1: Write the proportion equation
347,541.43 : 479,495.64 = 194,557.09 : x - Step 2: Convert to fraction form
347,541.43/479,495.64 = 194,557.09/x - Step 3: Cross multiply
347,541.43x = 479,495.64 × 194,557.09 - Step 4: Simplify right side
347,541.43x = 93,289,275,187.35 - Step 5: Solve for x
x = 93,289,275,187.35/347,541.43 - Step 6: Final answer
x = 268,426.35
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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.