Finding the Fourth Proportional to 412,178.70, 618,497.68 and 222,634.92
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Solution
The fourth proportional to 412,178.70, 618,497.68 and 222,634.92 is: 334,076.41
Step by Step Solution
- Step 1: Write the proportion equation
412,178.70 : 618,497.68 = 222,634.92 : x - Step 2: Convert to fraction form
412,178.70/618,497.68 = 222,634.92/x - Step 3: Cross multiply
412,178.70x = 618,497.68 × 222,634.92 - Step 4: Simplify right side
412,178.70x = 137,699,181,506.99 - Step 5: Solve for x
x = 137,699,181,506.99/412,178.70 - Step 6: Final answer
x = 334,076.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.