Finding the Fourth Proportional to 449,042.22, 619,678.26 and 306,052.06
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Solution
The fourth proportional to 449,042.22, 619,678.26 and 306,052.06 is: 422,351.84
Step by Step Solution
- Step 1: Write the proportion equation
449,042.22 : 619,678.26 = 306,052.06 : x - Step 2: Convert to fraction form
449,042.22/619,678.26 = 306,052.06/x - Step 3: Cross multiply
449,042.22x = 619,678.26 × 306,052.06 - Step 4: Simplify right side
449,042.22x = 189,653,808,010.22 - Step 5: Solve for x
x = 189,653,808,010.22/449,042.22 - Step 6: Final answer
x = 422,351.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.