Finding the Fourth Proportional to 445,269.24, 667,911.18 and 129,743.46
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Solution
The fourth proportional to 445,269.24, 667,911.18 and 129,743.46 is: 194,617.32
Step by Step Solution
- Step 1: Write the proportion equation
445,269.24 : 667,911.18 = 129,743.46 : x - Step 2: Convert to fraction form
445,269.24/667,911.18 = 129,743.46/x - Step 3: Cross multiply
445,269.24x = 667,911.18 × 129,743.46 - Step 4: Simplify right side
445,269.24x = 86,657,107,465.88 - Step 5: Solve for x
x = 86,657,107,465.88/445,269.24 - Step 6: Final answer
x = 194,617.32
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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.