Finding the Fourth Proportional to 490,958.82, 736,354.53 and 135,889.65
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Solution
The fourth proportional to 490,958.82, 736,354.53 and 135,889.65 is: 203,811.31
Step by Step Solution
- Step 1: Write the proportion equation
490,958.82 : 736,354.53 = 135,889.65 : x - Step 2: Convert to fraction form
490,958.82/736,354.53 = 135,889.65/x - Step 3: Cross multiply
490,958.82x = 736,354.53 × 135,889.65 - Step 4: Simplify right side
490,958.82x = 100,062,959,357.62 - Step 5: Solve for x
x = 100,062,959,357.62/490,958.82 - Step 6: Final answer
x = 203,811.31
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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.