Finding the Fourth Proportional to 396,048.44, 546,575.76 and 226,278.92
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Solution
The fourth proportional to 396,048.44, 546,575.76 and 226,278.92 is: 312,281.43
Step by Step Solution
- Step 1: Write the proportion equation
396,048.44 : 546,575.76 = 226,278.92 : x - Step 2: Convert to fraction form
396,048.44/546,575.76 = 226,278.92/x - Step 3: Cross multiply
396,048.44x = 546,575.76 × 226,278.92 - Step 4: Simplify right side
396,048.44x = 123,678,572,670.98 - Step 5: Solve for x
x = 123,678,572,670.98/396,048.44 - Step 6: Final answer
x = 312,281.43
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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.