Finding the Fourth Proportional to 490,815.88, 736,240.24 and 135,800.18
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Solution
The fourth proportional to 490,815.88, 736,240.24 and 135,800.18 is: 203,704.81
Step by Step Solution
- Step 1: Write the proportion equation
490,815.88 : 736,240.24 = 135,800.18 : x - Step 2: Convert to fraction form
490,815.88/736,240.24 = 135,800.18/x - Step 3: Cross multiply
490,815.88x = 736,240.24 × 135,800.18 - Step 4: Simplify right side
490,815.88x = 99,981,557,115.24 - Step 5: Solve for x
x = 99,981,557,115.24/490,815.88 - Step 6: Final answer
x = 203,704.81
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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.