Finding the Fourth Proportional to 490,806.63, 736,226.42 and 135,790.92
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Solution
The fourth proportional to 490,806.63, 736,226.42 and 135,790.92 is: 203,690.94
Step by Step Solution
- Step 1: Write the proportion equation
490,806.63 : 736,226.42 = 135,790.92 : x - Step 2: Convert to fraction form
490,806.63/736,226.42 = 135,790.92/x - Step 3: Cross multiply
490,806.63x = 736,226.42 × 135,790.92 - Step 4: Simplify right side
490,806.63x = 99,972,862,221.15 - Step 5: Solve for x
x = 99,972,862,221.15/490,806.63 - Step 6: Final answer
x = 203,690.94
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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.