Finding the Fourth Proportional to 490,064.44, 735,147.48 and 135,078.52
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Solution
The fourth proportional to 490,064.44, 735,147.48 and 135,078.52 is: 202,631.79
Step by Step Solution
- Step 1: Write the proportion equation
490,064.44 : 735,147.48 = 135,078.52 : x - Step 2: Convert to fraction form
490,064.44/735,147.48 = 135,078.52/x - Step 3: Cross multiply
490,064.44x = 735,147.48 × 135,078.52 - Step 4: Simplify right side
490,064.44x = 99,302,633,580.13 - Step 5: Solve for x
x = 99,302,633,580.13/490,064.44 - Step 6: Final answer
x = 202,631.79
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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.