Finding the Fourth Proportional to 479,866.44, 720,022.20 and 209,958.99
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Solution
The fourth proportional to 479,866.44, 720,022.20 and 209,958.99 is: 315,035.85
Step by Step Solution
- Step 1: Write the proportion equation
479,866.44 : 720,022.20 = 209,958.99 : x - Step 2: Convert to fraction form
479,866.44/720,022.20 = 209,958.99/x - Step 3: Cross multiply
479,866.44x = 720,022.20 × 209,958.99 - Step 4: Simplify right side
479,866.44x = 151,175,133,889.58 - Step 5: Solve for x
x = 151,175,133,889.58/479,866.44 - Step 6: Final answer
x = 315,035.85
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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.