Finding the Fourth Proportional to 490,806.38, 736,225.98 and 135,790.68
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Solution
The fourth proportional to 490,806.38, 736,225.98 and 135,790.68 is: 203,690.56
Step by Step Solution
- Step 1: Write the proportion equation
490,806.38 : 736,225.98 = 135,790.68 : x - Step 2: Convert to fraction form
490,806.38/736,225.98 = 135,790.68/x - Step 3: Cross multiply
490,806.38x = 736,225.98 × 135,790.68 - Step 4: Simplify right side
490,806.38x = 99,972,626,457.87 - Step 5: Solve for x
x = 99,972,626,457.87/490,806.38 - Step 6: Final answer
x = 203,690.56
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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.