Finding the Fourth Proportional to 490,853.39, 736,296.19 and 135,837.68
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Solution
The fourth proportional to 490,853.39, 736,296.19 and 135,837.68 is: 203,760.98
Step by Step Solution
- Step 1: Write the proportion equation
490,853.39 : 736,296.19 = 135,837.68 : x - Step 2: Convert to fraction form
490,853.39/736,296.19 = 135,837.68/x - Step 3: Cross multiply
490,853.39x = 736,296.19 × 135,837.68 - Step 4: Simplify right side
490,853.39x = 100,016,767,743.59 - Step 5: Solve for x
x = 100,016,767,743.59/490,853.39 - Step 6: Final answer
x = 203,760.98
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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.