Finding the Fourth Proportional to 398,720.24, 598,342.08 and 188,379.44
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Solution
The fourth proportional to 398,720.24, 598,342.08 and 188,379.44 is: 282,692.81
Step by Step Solution
- Step 1: Write the proportion equation
398,720.24 : 598,342.08 = 188,379.44 : x - Step 2: Convert to fraction form
398,720.24/598,342.08 = 188,379.44/x - Step 3: Cross multiply
398,720.24x = 598,342.08 × 188,379.44 - Step 4: Simplify right side
398,720.24x = 112,715,345,958.84 - Step 5: Solve for x
x = 112,715,345,958.84/398,720.24 - Step 6: Final answer
x = 282,692.81
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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.