Finding the Fourth Proportional to 442,506.70, 663,755.73 and 126,965.26
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Solution
The fourth proportional to 442,506.70, 663,755.73 and 126,965.26 is: 190,446.65
Step by Step Solution
- Step 1: Write the proportion equation
442,506.70 : 663,755.73 = 126,965.26 : x - Step 2: Convert to fraction form
442,506.70/663,755.73 = 126,965.26/x - Step 3: Cross multiply
442,506.70x = 663,755.73 × 126,965.26 - Step 4: Simplify right side
442,506.70x = 84,273,918,835.94 - Step 5: Solve for x
x = 84,273,918,835.94/442,506.70 - Step 6: Final answer
x = 190,446.65
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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.